Answer the following questions/statements (each number should have a response):

1: Using the food chain below, match the organism with its trophic level. (U3L3)


____________ - Primary consumer

____________ - Producer

____________ - Tertiary consumer

____________ - Secondary consumer


2: Why is the sun the primary source of energy in most ecosystems? (U3L3)


3: Approximately how much energy is passed from one trophic level to the next? (U3L3)


4: How much energy would be passed from a producer containing 220,000 kilocalories of energy to the primary consumer? (U3L3)


5: Why are there fewer organisms at the top of the food chain? (U3L3)


6: _____________ and ___________ have important roles in the cycling of matter and energy in an ecosystem. The products of one are the reactants of the other. (U3L3)


7: Explain why both plants and animals need mitochondria. (U3L3)

Answer:

Gas exchange occurs at two sites in the body: in the lungs, where oxygen is picked up and carbon dioxide is released at the respiratory membrane, and at the tissues, where oxygen is released and carbon dioxide is picked up.

Explanation:

The evolutionary relationships among organisms (the patterns of lineage branching produced by the true evolutionary history of the organisms being considered) is referred to as phylogenetic tree.

A phylogenetic tree is a branching diagram or a tree showing the evolutionary relationships among various biological species or other entities based upon similarities and differences in their physical or genetic characteristics. All life on Earth is part of a single phylogenetic tree, indicating common ancestry.

Types of Phylogenetic Trees

1.Rooted tree. Make the inference about the most common ancestor of the leaves or branches of the tree.

2.Un-rooted tree. Make an illustration about the leaves or branches and do not make any assumption regarding the most common ancestor.

3.Bifurcating tree

A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

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The sequences of the polypeptides produced from these repeating nucleotide sequences:

(a) Poly(Arg-Glu).

(b) Poly(Val-Cys).

(c) Poly(Glu), poly(Thr), and poly(Asn).

(d) Poly(Lys), poly(Glu), and poly(Arg).

(e) Poly(Leu-Leu-Thr-Tyr).

Polypeptides are simply chains of amino acids. A protein's primary structure begins with the formation of peptide bonds between amino acids, which results in the formation of a peptide. The pre-mRNA is processed to produce a mature mRNA molecule, which can then be translated to produce the protein molecule (polypeptide) encoded by the original gene.

The cell has just transcribed this mRNA strand from its DNA, and it is now translating the nucleotide sequence of the mRNA into an amino acid chain. This chain, known as a polypeptide, is the fundamental structure of a protein. The translation process is coordinated by a cellular component known as a ribosome.

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Answer:

A diving regulator is a pressure regulator that reduces the pressure of gas in the tank and deliver it to the diver so that he/she can breathe easily. It must pass the controlled laboratory testing and must have a second adjustment knob to ensure ease of breathing. Modern regulators are precision made and designed to work under demanding conditions. 1st stage and 2nd stage, diaphragm and piston, exhaust valve and purge button are types of diving regulators.

A scuba regulator is a pressure regulator that lowers the gas pressure in the cylinder and supplies it to the diver, making it easier for the diver to breathe. A second adjustment knob is needed to pass controlled laboratory tests and facilitate breathing. Modern regulators are precisely designed and designed for use in harsh conditions. The first and second stages, diaphragm and piston, exhaust valve, and flush button are a type of regulators.

The regulator is an excellent invention that provides exactly the air needed for breathing from the scuba tank. The regulator is the focus of the scuba gear and connects the scuba tank to BC, scuba pressure gauge (SPG), alternative air sources, and many other devices.

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Answer:

D is the correct answer..

Answer: 3/4

Explanation: Heterogeneous would be one capital and one small so in this case it would be like Ss so since spherical is dominant, 3/4 would be it

Answer:

It will start to rain.

Explanation:

Answer: False

Explanation:

An in-sink waste disposer can be cord-and-plug-connected, but receptacles shall be grounded and equipped with strain relief to protect against physical damage to the flexible cord.

An in-sink waste disposer can be cord-and-plug-connected, but receptacles shall be located to protect against physical damage to the flexible cord. This means that the receptacle should be installed in a location where the flexible cord is not likely to be damaged by physical contact or exposure to moisture or other environmental factors. For example, the receptacle could be installed above the sink, away from the water source, and secured to the wall or cabinet using a strain relief or other appropriate means to prevent the cord from being pulled or twisted. It is important to follow all applicable electrical codes and regulations when installing electrical equipment, including in-sink waste disposers, to ensure safe and proper operation.

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Entropy describes how the chemical world eventually becomes disorganized because Entropy is the measurement of a number of microstates that are available to a system or environment. A microstate is an arrangement and behavior of all atoms in a system, environment, or container at a specific time.

However, the more microstate will be there, the higher will be the disorganized pattern or higher will be the atomic disturbance in a system. This disturbance and disorganization are called Entropy.

Therefore, the state of Entropy will is the most probable state of the system, environment, container, or world of chemicals. The atomic disturbances will give the complete idea about the disorganization of the systems or chemical world.

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Hemoglobin: The high iron-containing protein in red blood cells (RBCs) is known as hemoglobin. This gives the blood a red color.

It has two main functions: it carries oxygen from the lungs to tissues of the body, and it carries carbon dioxide from cells back to the lungs for excretion.

Functions of hemoglobin:

Consequences of hemoglobin deficiency:

Hemoglobin deficiency reduces the blood's oxygen-carrying capacity.

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Answer:

Read below.

Explanation:

A ligament is a type of connective tissue that connects bones to other bones, while a tendon is a type of connective tissue that connects muscle to bone.

In a chicken wing dissection, you may see ligaments connecting the bones of the wing, and tendons connecting the muscles of the wing to the bones.

Ligaments and tendons are both made up of collagen, a tough and flexible protein that allows them to withstand the forces of movement and tension.

However, ligaments are typically more flexible than tendons, allowing for a wider range of movement in the joints.

The left lung has two secondary bronchi since it has two lobes; the right lung has three lobes; and the right lung has three secondary bronchi.

The superior and inferior lobes are the two anatomical divisions of the left lung. The left lung has two secondary bronchi because each lobe has a corresponding secondary bronchus.

The superior, middle, and inferior lobes make up the three lobes that make up the right lung. The right lung has three secondary bronchi because each lobe is fed by a different secondary bronchus.

This configuration enables effective air distribution and respiratory system performance.

Thus, the respiratory system's general form and functionality are influenced by how the lungs are divided into lobes and by the secondary bronchi that correspond to those lobes.

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saturated is clean

unsturated is not clean

Answer: Option E.

All are endoplasmic reticulum functions.

Explanation:

All are function of endoplasmic recticulum because

Endoplasmic recticulum is a membrane organelle that consists of two subunits, rough and smooth endoplasmic recticulum found in eukaryotes that formed flattened sacs within the cytoplasm of eukaryotic cells which syntyensises proteins, lipids and steroids, it metabolised carbohydrates by adding it to protein , help to control the concentration of calcium in the body,it detoxifies drugs, attached protein on receptor cells, assemble multimeric proteins e.t.c.

The endoplasmic recticulum comprises of two subunits which are rough and smooth endoplasmic recticulum. The major differences between rough and smooth endoplasmic recticulum is that smooth do not have RIBOSOMES and it produces lipids and rough have RIBOSOMES and produces proteins.

Because it enables researchers to examine how climate change has influenced the earth's ecosystem, life on the planet, and the repercussions of the change.

Scientists can plan the future by the climate changes we are currently experiencing by studying past climatic circumstances and their effects. This is why they can examine how it affected living things and how the world reacted and adjusted to them. This approach aids researchers as they search for strategies to better our chances of surviving climate change and slow it down.

As a result, we can say that it allows scientists to look at how climate change has affected the planet's ecosystem, life there, and the effects of the change.

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Answer:

This assertion is false since it depends on the type of selection exerted on the trait under investigation

Explanation:

Geographic isolation is caused by physical barriers such as, for example, rivers, mountains, longer distances, etc, which prevent the interchange of genetic material among populations of the same species. Over time, complete geographic isolation leads to genetic isolation among populations and the development of reproductive barriers, resulting in the separation in two species (speciation). Intermediate populations prevent speciation by enabling gene flow among populations. In consequence, intermediate populations often exhibit intermediate traits as a consequence of bidirectional gene flow; however, there are cases where a given trait is favored by non-directional selection, thereby favoring phenotypic values exhibited by marginal populations localized at the extreme distributional range of the species.

Answer:

Methane

Explanation:

hope this helps

Answer:

Why are synovial joints freely movable?

Diarthroses are freely movable articulations. ... The bones of a synovial joint are covered by a layer of hyaline cartilage that lines the epiphyses of joint ends of bone with a smooth, slippery surface that does not bind them together. This articular cartilage functions to absorb shock and reduce friction during movement.

Explanation:

please give me brainly got my answer from G00GLE so of course its correct hope i helped!!!

Answer:

Explanation:

Synovial joints (freely movable joints) allow us the free movement to perform skills and techniques during physical activity. Synovial joints have synovial fluid in the joint cavity that lubricates or 'oils' the joint so it moves smoothly. Synovial fluid is made by the synovial membrane.

Mr. Contarsy would best rely on a weather radar in order to determine whether or not students can have outdoor lunch around noon.

A weather radar uses radio waves to detect precipitation and can provide information on the location, intensity, and movement of weather systems. This information can be used to predict when and where precipitation will occur.

In contrast, other weather instruments, such as a thermometer or barometer, only measure specific aspects of the weather, such as temperature or air pressure, and do not provide information on precipitation

By monitoring the weather radar, Mr. Contarsy can determine if and when a heavy downpour is likely to occur. This will allow him to make an informed decision about whether or not to cancel outdoor lunch or to move it indoors.

Additionally, a weather radar can provide up-to-date information on the weather conditions, allowing Mr. Contarsy to adjust his plans accordingly. For example, if the radar indicates that the rain will pass quickly, he may decide to delay lunch for a short period of time to wait out the storm.

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Answer:

Tissue is a group of cells that have similar structure and that function together as a unit

Explanation:

Answer:

In biology, a tissue is a group of similar cells that work together to perform a specific function. Tissues are the building blocks of organs and organ systems in multicellular organisms. There are four main types of tissues in animals: epithelial, connective, muscle, and nervous tissue.

Epithelial tissue covers the surfaces of the body, lines internal organs and cavities, and forms glands. It serves as a protective barrier, regulates the exchange of materials between the body and the environment, and secretes and absorbs substances.

Connective tissue provides support and structure to the body, connects and anchors organs and tissues, and stores energy. It includes bone, cartilage, blood, adipose tissue, and fibrous connective tissue.

Muscle tissue is responsible for movement and generates force. There are three types of muscle tissue: skeletal, smooth, and cardiac.

Nervous tissue is specialized for communication and coordination. It consists of neurons and supporting cells, and is responsible for transmitting and processing information throughout the body.

Understanding the different types of tissues and their functions is essential for comprehending the structure and function of living organisms.

Explanation:

Cellular biology is the study of cells and their interactions with one another

The ventromedial tracts are important for  controlling the movement of the body's trunk ;and the dorsolateral tracts are important for carrying out important cognitive processes as memory, attention.

The ventromedial prefrontal cortex (vmPFC) is a piece of the prefrontal cortex in the mammalian mind. The ventral average prefrontal is situated in the cerebrum at the lower part of the cerebral halves of the globe and is ensnared in the handling of hazard and dread, as it is basic in the guideline of amygdala movement in people. It likewise assumes a part in the hindrance of close to home reactions, and during the time spent direction and poise.

The dorsolateral prefrontal cortex (DLPFC or DL-PFC) is a region in the prefrontal cortex of the primate mind. It is one of the most as of late inferred pieces of the human cerebrum. It goes through a delayed time of development which goes on until adulthood. The DLPFC is certainly not a physical design, but instead a useful one.

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Viruses have played a significant role in shaping human evolution and genome diversity.

Since 8-10% of the DNA in human cells consists of sequences from endogenous retroviruses, this demonstrates that viruses have contributed to our genetic makeup by integrating their genetic material into our ancestral DNA. Over time, these sequences have been passed down through generations and now serve as a record of ancient viral infections that our ancestors experienced. These endogenous retroviruses can impact gene expression and, in some cases, provide beneficial functions to the host organism, highlighting the complex relationship between viruses and their hosts.

A small amount of DNA can also be found in the mitochondria, where it is referred to as mitochondrial DNA or mtDNA. The majority of DNA is found in the cell nucleus, where it is referred to as nuclear DNA.

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Character displacement and resource partitioning are both concepts in ecology that describe how organisms interact with each other in their environment.

Character displacement refers to the evolutionary process by which two species that share similar ecological niches become more different in their physical or behavioral traits, in order to reduce competition for resources. Resource partitioning, on the other hand, is the process by which species divide up resources in order to reduce competition and increase their chances of survival.

In terms of the question about carbon fixation, the organism most likely to contain genes encoding enzymes that can fix carbon from CO2 would be photosynthetic organisms such as plants, algae, and some bacteria. These organisms use the energy from sunlight to convert carbon dioxide into organic compounds, which they use as energy and building blocks for growth and reproduction. Some examples of these carbon-fixing enzymes include RuBisCO and PEP carboxylase.

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The sarcomere is the muscle unit of contraction. Option C) sarcomere size is relatively constant in vertebrates. as a result, mouse and elephant sarcomeres will likely be equal in size.

When talking about a sarcomere we are referring to the contractile unit of the contractile apparatus -muscle-.

In the sarcomere, we can identify the following components,

When the muscle contracts, the muscular fiber gets shorter and thicker due to the reduction in the sarcomere length.

The H line and the I band get shorter. The Z lines get closer to the A band, meaning they get closer to one another. The A band keeps constant in length.

The sarcomere length is about 2 mm during a contraction when actin filaments are completely superposed over the myosin filaments. This length is about the same in all vertebrates.

The correct option is C) sarcomere size is relatively constant in vertebrates. As a result, mouse and elephant sarcomeres will likely be equal in size.

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Answer:

During dehydration synthesis, the hydroxyl groups of two glucose molecules join, and water is released in the process.

Explanation:

If the hydroxyl groups are at the same "level" of each other, the bond is called an alpha bond. If they are at different levels, it is a beta bond.

A method wherein researchers, employing factor analysis, take into account the theory underlying a test and suggest a set of underlying elements.

The number of elements needed for the factor analysis model is k(m+1), or the number of parameters in L (specifically, km) plus the number of elements in X = + LY +. (namely k).  A technique called factor analysis is used to break down a large number of variables into a smaller number of elements. This method creates a common score by combining all variables' highest common variance. Observable variables in terms of a possibly smaller set of unobserved variables known as factors.

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The enzyme that is not found in the mitochondrial matrix in the citric acid cycle is called succinate dehydrogenase.

The enzyme that is not found in the mitochondrial matrix in the citric acid cycle is called succinate dehydrogenase. This enzyme is embedded in the inner membrane of the mitochondria, which is a unique feature compared to the other enzymes of the cycle that are found in the matrix. Succinate dehydrogenase is involved in the conversion of succinate to fumarate and also plays a role in the electron transport chain. The fact that this enzyme is located in the inner membrane highlights the importance of the membrane's role in oxidative phosphorylation and energy production. It is worth noting that succinate dehydrogenase is also called Complex II of the electron transport chain because of its dual role in the citric acid cycle and the electron transport chain.

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