Despite their seemingly simple anatomy and radial symmetry, ______ are a type of deuterostome, and closely related to the chordates. (Check all that apply.)
Answers
Despite their seemingly simple anatomy and radial symmetry, echinoderms are a type of deuterostome, and closely related to the chordates.
Deuterostomes are a group of animals characterized by the way they develop during embryonic development. During this process, the orifice develops before the mouth,
which is opposite of what happens in protostomes. Chordates, on the other hand, are animals that possess a notochord, dorsal nerve cord, pharyngeal slits, and a post-orifice tail at some point in their life.
While echinoderms do not possess these exact characteristics, they do possess similar structures, such as a water vascular system and tube feet, which are believed to be evolutionary adaptations from the same ancestral structures found in chordates.
Therefore, despite their differences in anatomy, echinoderms are considered a close evolutionary relative to chordates and both are part of the larger deuterostome group.
Although they exhibit radial symmetry as adults, their larval stages have bilateral symmetry, hinting at their close relationship with chordates.
Both groups are part of the larger Deuterostomia superphylum, highlighting their shared evolutionary history.
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Related Questions
A protein consisting of four amino acids undergoes hydrolysis. How many water molecules must be broken down and reattached to amino acid molecules during this process?
Answers
One water molecule is split into two hydrogen ions (H+) and one hydroxide ion during hydrolysis (OH-). Four water molecules would therefore be needed for the breakdown of four amino acids, producing eight hydrogen ions and four hydroxide ions.
What is hydrolysis?In chemistry and biology, hydrolysis refers to a two fold decomposition reaction in which water participates.
The opposite of a condensation process is a hydrolysis reaction. In a hydrolysis reaction, water is used as a reactant and a bigger molecule splits into two (or more) smaller molecules.
Hydrolysis is the process of adding water to a single big molecule to break it down into several smaller ones.
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describe the benefits to both aerobic eukaryotic cells and anaerobic prokaryotic cells that may have allowed for the formation of a mutually beneficial relationship between the two different cell types to occur.
Answers
Prokaryotes include a variety of bacteria, which can be divided in archaebacteria and the eubacteria. Archaea, have no nucleus and cell organelle, and were considered as extremophiles living in severe environments.
The eubacteria embrace the general forms of bacteria which is a huge cluster of organisms that exist in an extensive range of environments like water, soil, and other organisms (e.g., human pathogens). The largest and most complex prokaryotes are the cyanobacteria, in which photosynthesis evolved
Eukaryotic cells have membrane-bound organelles. The nucleus, enclosed by a nuclear membrane, contains genetic material which which is different from prokaryotic cells (Bacteria and Archaea). Eukaryotic cells have a variety of cytoplasmic organelles and cytoskeleton.
In eukaryotes, the genetic information (contained in nucleus) is structured in a linear rather than circular pattern of DNA molecules. Nucleus is the place of DNA replication and synthesis of RNA.
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At three minutes of all-out high-intensity exercise, ________ of the ATP is derived from aerobic sources.
Answers
Answer:
it is d
Explanation:
D) 60%
hope this helps..
If the following events are arranged in the order in which they occur for an animal hiding and holding still in response to seeing a predator, which is the fourth event in the series?.
Answers
Animal hiding-holding still response follows the reflex arc sequence. The fourth event in the series is option B) signaling by efferent PNS neurons.
When the animal receives the stimuli, it responds to them. In the case of hiding-holding still response, the animal might freeze due to motor inhibition that reduces excitatory signals.
The reception and reaction to stimuli follows the reflex arc sequence.
What is reflex arc?The reflex arc refers to the sequence of events since the body receives an external stimulus until it reacts.
The correct answer is B) signaling by an efferent PNS neurons.
Note: Due to technical problems, you will find the complete explanation in the attached files.
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Sometimes the flow of ocean currents is compared to the movement of a conveyor belt. Does your experiment support this statement?
Answers
Since you haven't provided details about the experiment you're referring to, I am unable to determine whether it supports the statement comparing ocean currents to a conveyor belt.
Without information about the experiment in question, I cannot provide a specific main answer. However, if the experiment involves studying the movement and patterns of ocean currents, it may provide evidence to support the comparison of ocean currents to a conveyor belt. Ocean currents, like a conveyor belt, transport water and heat around the globe in a continuous, flowing manner. By studying the direction, speed, and behavior of ocean currents, scientists can better understand their role in the Earth's climate system and how they influence marine ecosystems and weather patterns.
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Which energy transformation occurs when the archer releases the string?
OA. Elastic energy is transformed into electrical energy.
OB. Chemical energy is transformed into elastic energy.
OC. Elastic energy is transformed into kinetic energy.
D. Potential energy is transformed into elastic energy.
Answers
Answer:
OA. Elastic energy is transformed into electrical energy.
Explanation:
pls hart and mark brainiest
brainliest) Which is the most obvious symptom of shock?
swollen tongue
shallow breathing
white fingertips
slurred speech
Answers
Answer:
shallow breathing
Explanation:
have great day
Answer: Shallow breathing
Explanation: I took the test
Is it possible to have another level after quaternary consumer?
Answers
Answer:
hmmm General classification by food source results in the four main trophic levels. It is possible to have quaternary and higher “consumers”, as even secondary consumers may also use the first trophic level as primary consumers. Generally only about 10 percent of the energy at one level is available to the next level
Explanation:
It's the Perfect Weather for a First
Date
(Climate Diagram - Temp = Line Graph, Precip
Bar Graph)
18
36
32
16
28
24
20
14
16
12
12
10
Precipitation (cm)
Temperature (°C)
4
12
-16
-20
24
-28
-32
- 36
0
1 F M A M J J A S O N D
Month
Answers
Answer:
gay
Explanation:
oops
Which statement correctly defines coevolution?A. two new species that differ from each other and their common ancestor in a particular traitB. two entirely unrelated species that end up with a similar trait as they adapt to similar conditionsC. two closely related species that evolve the same trait separately from each otherD. two entirely different species affecting each other’s evolution, as in predator-prey relationships
Answers
The statement that correctly defines coevolution is:
D: Two entirely different species affecting each other's evolution, as in predator-prey relationships.
Another example of coevolution is host-parasite relationship, which happens between totally separated species, but affects the way both of them will evolve.
Anil and Bala have the choice of using either Integrated Pest Control (IPC) or Terminator (T) to solve the problem of pest insects. The following diagram shows these possible outcomes on a graph. (You will find the matrix form of the game in the textbook - Figure 4.3 b - if you find that helpful.) Based on the information above, which of the following is correct? Select one or more: a. (T,T) is the only Pareto inefficient outcome. b. (I,I) is the unique Pareto efficient outcome. c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I, I). insects. The following diagram shows these possible outcomes on a graph. (You will find the matrix form of the game in the textbook - Figure 4.3 b - if you find that helpful.) Based on the information above, which of the following is correct? Select one or more: a. (T,T) is the only Pareto inefficient outcome. b. (I,I) is the unique Pareto efficient outcome. c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I,I). d. (T, I) Pareto-dominates (T,T).
Answers
Based on the information provided, the correct statement is:
c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I, I).
:
Pareto efficiency refers to a state where no individual can be made better off without making someone else worse off. In this scenario, the outcomes are represented by the choices of using Integrated Pest Control (IPC) or Terminator (T).
From the given information, we can deduce that (I, I) is the Pareto efficient outcome. This means that both Anil and Bala are satisfied with this outcome, as neither of them can be made better off without making the other worse off.
On the other hand, (T, T) is the only Pareto inefficient outcome. This indicates that there exists an alternative outcome, (I, I), where both Anil and Bala would be happier.
However, the given information does not provide any details about the outcome (T, I) and its relation to (T, T) in terms of Pareto dominance. Therefore, statement d. (T, I) Pareto-dominates (T, T) cannot be determined based on the given information.
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A white carnation flower is cut and placed in a flask containing water mixed with blue food color. After some time, it is observed that the petals of the flower start turning blue. Which plant tissue is responsible for transport of the blue water to the flower?
*
1 point
Captionless Image
A) Xylem
B) Phloem
C) Stomata
D) Chlorophyll
Answers
Answer:
Which plant tissue is responsible for the transport of blue water to the flower? ANSWER: ( A ) Xylem
Explanation:
The xylem is a plant vascular tissue that conveys water and dissolves minerals, from the roots to the remaining of the plant, The Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements. Their main role is in the transportation of food.
What rarely reacts with metals? acids , bases or both?
Answers
Answer:
bases
Explanation:
Bases don’t occasionally react with metals.
I hope It helps! Have a great day!
Lilac~
Bases rarely react with metals.
Do bases react with most metals?
Some metal reacts with a base to form salts and hydrogen gas. Most metals do not react with bases but zinc metal does because it is amphoteric. That is, it reacts with acids as well as bases. When sodium hydroxide solution is heated with zinc, then sodium zincate and hydrogen gas are formed.
Which metals do not react with bases?Metals form salts by transforming themselves into cations and combining with the anions present in the acids. Hence, not all metals react with bases, only amphoteric metals like zinc and aluminium react with bases.
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Look at the picture fully first
Which organisms are likely to be found in level 4 of this diagram? Select the
two correct answers
A. Mouse
B. Lion
C. Frog
D. Grass
Answers
Answer:
The answer is D. Grass
Explanation:
Grass is on the lowest tier of the food pyramid and retains the most energy. Every level up on the energy scale gets less energy than the organism before and that's why larger predators tend to eat more than smaller prey.
Answer:
Lion/Shark
Explanation:
Just did the test
In angiography, contrast medium is injected into a(n) ________ by way of a catheter and threaded through the vessel until it reaches the correct site.
Answers
In angiography, contrast medium is injected into a(n) blood vessel by way of a catheter and threaded through the vessel until it reaches the correct site.
The catheter is then threaded through the vessel until it reaches the specific site of interest, such as a coronary artery or cerebral artery. Once the catheter is in position, the contrast medium is injected, which enables visualization of the blood vessel on X-ray or other imaging modalities. Angiography is used to diagnose and treat a variety of conditions, such as arterial stenosis (narrowing), aneurysms (bulging), and arteriovenous malformations (abnormal connections between arteries and veins).
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For predation to occur, there must be a predator species and a prey species. Define predator and prey and give an example of each.
Answers
Two pathways that yield NADPH in the cytosol, needed for fatty acid biosynthesis, are:
(1) _______(2)______
The correct repeated sequence of 4 types of chemical reactions involved in the fatty acid biosynthesis are: (1) _____ (2)______ (3)_______ (4)______
Answers
Two pathways that yield NADPH in the cytosol, needed for fatty acid biosynthesis, are: (1) Pentose phosphate pathway and (2) malic enzyme pathway.The correct repeated sequence of 4 types of chemical reactions involved in the fatty acid biosynthesis are: (1) Condensation (2) Reduction (3) Dehydration (4) Reduction
Two pathways that yield NADPH in the cytosol, needed for fatty acid biosynthesis, are:
1. Pentose phosphate pathway: In this pathway, the glucose molecule is oxidized to produce NADPH. The NADPH produced is used as a reducing agent in the fatty acid biosynthesis.
2. Malic enzyme pathway: In this pathway, malate is oxidized in the cytosol to produce pyruvate and NADPH.The correct repeated sequence of 4 types of chemical reactions involved in the fatty acid biosynthesis are:
1. Condensation: In this step, two molecules of acetyl-CoA are combined by a thioester bond to form acetoacetyl-CoA.
2. Reduction: In this step, NADPH is used as a reducing agent to reduce acetoacetyl-CoA to beta-hydroxybutyryl-CoA.
3. Dehydration: In this step, the water molecule is removed from beta-hydroxybutyryl-CoA to form crotonyl-CoA.
4. Reduction: In this step, NADPH is used as a reducing agent to reduce crotonyl-CoA to butyryl-CoA.
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Explain what igneous rock is
Answers
Explanation:
Igneous rock is formed through the cooling and solidification of magma or lava.
Answer:Igneous rock is which is also called magmatic rock is the rock formed when hot,molten rocks crystallizes and solidifies.
Explanation:
What are the large macromolecules made
up of nucleic acids?
Proteins
Lipids
Polysaccharides
DNA and RNA
Answers
Why? - Nucleic acids, macromolecules made out of units called nucleotides, come in two naturally occurring varieties: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
WILL GIVE BRAINLEST!! Which statements are true of oxygen in cellular respiration? Select all that apply. Combines with H+ ions to make water Combines with H+ ions to make water Makes CO2Makes cap c cap o sub 2 Needed for glycolysis to occur Needed for glycolysis to occur Needed in the ETC to collect electrons Needed in the ETC to collect electrons Makes ATP Makes ATP
Answers
The statements combines with proton hydrogen ions to make water and needed in the ETC to collect electrons are true about oxygen in cellular respiration (Options A and D).
What is the cellular process of cellular respiration?The cellular process of cellular respiration is a pathway used by organisms to generate ATP (which is the energy coin of the cells) in aerobic conditions, i.e., in presence of oxygen.
During the oxidative phosphorylation step of the cellular respiration chemical pathway, more specifically in the electron transport chain (ETC process), oxygen molecules function as the final electron acceptor in order to generate water in presence of hydrogen protons.
Therefore, with this data, we can see that the cellular process of cellular respiration is based on the presence of oxygen which acts as an electron acceptor during the step of oxidative phosphorylation in the electron transport chain of this process.
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What makes an immovable joint, an immovable joint?
It allows for full movement
It allows for partial movement
It allows for little or no movement
Answers
Answer:
It allows for little or no movement.
Explanation:
An immovable joint is a joint that allows little or no movement.
Ex: found between the bones of the skull or gomphosis between the root of a tooth
Motile cilia move fluids across a cell's surface, while a flagellum:
a. Helps with cell division
b. Aids in cellular respiration
c. Facilitates DNA replication
d. Enables cell movement
Answers
A flagellum is a long, whip-like appendage that protrudes from the surface of certain cells. The correct option is d. Enables cell movement
Its primary function is to enable cell movement by propelling the cell through a liquid environment. Flagella are found in various organisms, including bacteria, archaea, and eukaryotes like sperm cells.While some of the other options you mentioned, such as aiding in cell division or facilitating DNA replication, are important processes in cells, they are not specific functions of a flagellum.The main role of a flagellum is to provide motility to the cell by generating a whipping or undulating motion, allowing the cell to swim or move in its environment. The correct option is d. Enables cell movement
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in principle, at least, one way to increase the concentration of glucose 6‑phosphate (g6p) is to drive the equilibrium reaction to the right by increasing the intracellular concentrations of glucose and pi. the maximum solubility of glucose is less than 1 m, and the normal physiological concentration of g6p is 250????m. assume a fixed concentration of pi at 4.8 mm. the calculated value of K′eq is 4.74×10−3 m−1. calculate the intracellular concentration of glucose when the equilibrium concentration of glucose 6‑phosphate is 250????m, the normal physiological concentration.
Answers
Answers for both scenarios: The concentration (Gle= 13.7 M) can't be soluble in the first scenario while during the second situation the concentration (Gle= 116 μM) is normal and physiologically reasonable.
For the first scenario:
The equilibrium reaction is:
3.8* 10⁻³ = [250*10⁻⁶]/[0.0048][Gle]
Gle = 13.7 M
This can't be soluble at the concentration.
For the second scenario:
c. ΔG⁰ = 13.8 + (-30.5) = -16.7 KJ/mol
-16,700 = -8.315 (298) In Keq
K = 845
845 = [[250*10⁻³] [1.32*10⁻⁶]/ [3.38*10⁻⁶] [Gle]
{Gle} = 1.16*10⁻⁴
= 116 μM
Yes, the concentration is normal and physiologically reasonable.
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the pulmonary trunk divides into a. right and left common carotid arteries b. right and left pulmonary veins c. right and left subclavian arteries d. brachiocephalic trunk and left subclavian artery e. right and left pulmonary arteries
Answers
The pulmonary trunk divides into (e) the right and left pulmonary arteries. These arteries carry deoxygenated blood from the heart to the lungs for oxygenation before returning to the heart via the pulmonary veins.
The pulmonary trunk divides into the right and left pulmonary arteries. The pulmonary artery is a blood vessel that is responsible for carrying blood from the heart to the lungs. The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs, where carbon dioxide is released and oxygen is replenished. The pulmonary trunk divides into two branches known as the right and left pulmonary arteries, which travel to the right and left lungs, respectively.
Once in the lungs, the pulmonary arteries divide into smaller and smaller blood vessels, eventually becoming capillaries, where carbon dioxide and oxygen exchange occurs. After the gas exchange, the blood is then carried back to the heart via the pulmonary veins, which are responsible for carrying oxygen-rich blood from the lungs to the left atrium of the heart.
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If the body is cut superiorly and inferiorly during an incision, this would be a
plane.
O Coronal
O Frontal
O Sagittal
O Transverse
Answers
Answer:
Transverse
Explanation:
transverse plane: a horizontal line which divides the body into an UPPER (SUPERIOR) and LOWER (INFERIOR) section
The soil in an ecosystem has high levels of nitrogen due to the burning of fossil fuels in a nearby industrial area. Scientists predict
that these high nitrogen levels will cause a decrease in the rate decomposition in the ecosystem over time. Why will this most
likely cause a decrease in the carrying capacity of the ecosystem?
Answers
Answer:
The soil in an ecosystem has high levels of nitrogen due to the burning of fossil fuels in a nearby industrial area. Scientists predict that this high nitrogen...
Answer:b. The ecosystem will be unable to efficiently recycle the remains of dead organisms
Explanation:
I got it right
what is the main use of technology
Answers
Answer:
Technology plays an important role because it helps us deal with the complexities of life. Everyone having daily use over want or need.
Things technology helps with daily. ...
Communication. Nowadays we have phones and other devices that we can use to contact loved ones or people we need help from, unlike the old days.
Education. Some students use virtual school for a more flexible schedule or just o keep learning at home without a classroom or place to be needed.
Health. For example, MRI scan, CT scan, x-ray, or ultrasound are tech used at hospitals.
Internet searches. We can go to multiple research platforms and get answers to our questions from world experience or even find out abt our history.
House assets. Things like refrigerators, microwaves, stoves, lamps, fans/AC, TVs, tech assistants (If you have) and more.
Hope this helps but there's too many things to list!
g the endangered species act has part 2 a. saved all endangered species without affecting anyone. b. had no impact on either the number of endangered species or other economic activities. c. caused a loss of economic activities on some private land. d. further reduced the number of endangered species.
Answers
Conserving vulnerable and endangered plants and animals is the main goal of the Endangered Species Act. EPA is a tool for preserving endangered species.
What does the Act's second clause say about endangered species?(2) Each Federal agency shall ensure that any activity approved, supported, or carried out by such agency (hereafter in this section referred to as a "agency action") is not likely to jeopardize the survival of any endangered species or habitat.
The Endangered Species Act of 1973 consists of what four essential components?The main components of the ESA are the listing and preservation of species, the identification of important habitat and prevention of habitat degradation, and consultation with federal agencies on acts that might endanger listed species.
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All organic compounds are essential for life. Some compounds act as building blocks for muscle tissue and hair. Others are
responsible for determining which traits are inherited by an organism. Which of the following combination of macromolecules
provide energy for basic life functions?
water and carbohydrates
lipids and nucleic acids
lipids and carbohydrates
Onucleic acids and protein
6*
Wild es....pdf
Answers
According to the research, the correct answer is lipids and carbohydrates. The combination of these macromolecules provide energy for basic life functions.
What are macromolecules?They are essential molecules are present both in living organisms and in the inert elements that are necessary for life.
In this sense, lipids are a set of organic molecules, most of them biomolecules, and are linked to the body's long-term energy reserve, and carbohydrates, which are biomolecules, also provide energy to the body.
Therefore, we can conclude that lipids and carbohydrates are macromolecules immediate energy sources for the cell for basic life functions.
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What is Motor Nervous System?
Answers
The motor nervous system is a system present in the brain to help animals to speak, move and breathe.
Motor neurons are cells in the brain and spinal cord that enable locomotion, speech, swallowing and breathing by sending commands from the brain to the muscles that perform these functions. Nerve fibers are the longest in the body, with single axons extending from the base of the spinal cord to the toes.
For motor functions, there are the oculomotor nerve, trochlear nerve, trigeminal mandibular nerve (V3), abducens nerve, facial nerve, glossopharyngeal nerve, vagus nerve, spinal nerve accessory muscle and N. hypoglossus muscle. These are the working of the motor nervous system.
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