Explain the difference in biomass between tuna and whales in terms of trophic level and turnover time. If a tuna contains 10 kg C, what fraction of a tuna would you expect to have in 1 m?? a. 4.3 x10 -8 tuna m 2 b. 4.3 x10-6 tuna m 2 c. 2.5 x10 4 tuna m2 d. 0.25 tuna m
Answers
The answer is option d.) 0.25 tuna/m² is not a plausible answer as it is greater than the total biomass of a single tuna.
Tuna and whales are both top predators in the ocean, but whales are generally higher in the food chain and have a longer turnover time than tuna.
Whales feed on smaller organisms such as krill, which are primary consumers that feed on phytoplankton. Tuna, on the other hand, feed on smaller fish, which are secondary consumers that feed on primary consumers such as zooplankton.
This means that whales are at a higher trophic level than tuna, and they require more energy to sustain their large bodies.
The turnover time refers to the time it takes for the biomass at one trophic level to be consumed and transferred to the next trophic level.
Whales have a longer turnover time than tuna because they have a lower reproductive rate and a slower growth rate. This means that whales have a lower biomass density compared to tuna.
If a tuna contains 10 kg C, the fraction of a tuna that would be expected to have in 1 m² would be:
Biomass density = 10 kg C / (carbon content of tuna in g/m²)
Assuming the carbon content of tuna is 1 g C/m², then the biomass density would be:
Biomass density = 10 kg C / (1 g C/m²) = 10,000,000 g/m²
To convert this to the fraction of a tuna in 1 m², we divide the biomass density by the bof a tuna, which is assumed to be 10 kg:
Fraction of a tuna in 1 m² = 10,000,000 g/m² / 10,000,000 g = 1
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Related Questions
What do developing countries rely on?
Answers
Developing countries typically rely on a combination of factors to support their economic and social development.
These factors can vary depending on the specific country and its unique circumstances, but there are some common elements that are often crucial for their growth.
Firstly, developing countries heavily rely on natural resources such as minerals, oil, and agricultural products. These resources are often significant sources of export revenue and foreign exchange earnings, which contribute to their economic development.
Secondly, labor-intensive industries play a vital role in developing countries. With a large population and often low labor costs, these countries can attract industries such as manufacturing, textiles, and outsourcing services. This provides employment opportunities and contributes to their economic growth.
Additionally, developing countries rely on foreign aid and investment to finance infrastructure projects, education, healthcare, and poverty alleviation programs. Aid and investment from international organizations, bilateral partnerships, and foreign companies can help bridge the financial gaps and accelerate development.
Moreover, remittances from overseas workers are a crucial source of income for many developing countries. Money sent back home by migrant workers helps to alleviate poverty, support local businesses, and boost consumption.
Finally, developing countries often strive to develop their human capital through education and skills training. Investing in education helps create a skilled workforce, enhances productivity, and fosters innovation, driving economic growth and reducing dependence on external resources.
In summary, developing countries rely on a combination of natural resources, labor-intensive industries, foreign aid and investment, remittances, and human capital development to support their economic and social development. These factors work together to promote sustainable growth and improve the living standards of the population.
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How fast is the Australian plate moving towards the sunda plate?
A) 37 mm/year
B) 64 mm/yr
C) 67 mm/yr
help me please :(
Answers
analisis lah perkembangan terbentuknya kepulauan indonesia
Answers
Answer:
Please write in English so I can help.
Explanation: I wanna help.
Help please, lol I realy dont know what to do here.
Answers
Answer:
False
Explanation:
The image shown is wind power or wind energy.
Geothermal energy is energy taken from the Earth's core. It is heat within the earth.
Hope this helps! :)
which particles of sediment are most likely to be transported as suspended load?
Answers
The particles of sediment most likely to be transported as suspended load are fine-grained materials like silt and clay.
The particles of sediment that are most likely to be transported as suspended load are fine-grained particles. This is because these particles are small and lightweight, making them easy to pick up and carry in moving water.
As water flows over the sediment, it can cause the fine particles to become suspended in the water column, where they are carried along by the current.
These suspended particles can remain in the water column for extended periods of time, carried along by the current until they are either deposited on the bed of the river or stream, or until the water slows down enough that the particles begin to settle out of the water column.
This process is known as sediment transport and plays an important role in shaping the landscape and determining the character of rivers and streams.
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death valley is bounded by normal faults on the east and west sides and by strike slip faults on the northern and southern ends. if movement on these faults, and the faults that they are connected to along the western margin of the basin and range province, continues with similar displacement rates and directions what is the likely outcome for the death valley region? could the development of the gulf of california and separation of baja california from mainland mexico give us a clue? for this exam assignment you will write an essay of about 1000 words predicting the future of the death valley region over millions of years. to answer this you will need to investigate when the gulf of california opened, the rate and direction of motion that baja california is moving compared to north america, and what tectonic plate the baja peninsula is part of today. on the basis of current plate motions could similar events and processes occur in the death valley region? think about what tectonic plate most of the state of california will be part of in approximately 5 or 10 million years if the plate motion continues in the same way. could the los angeles area wind up adjacent to reno, nevada? be sure to briefly discuss the regional plate tectonic setting of death valley including the location of plate boundaries and relative plate motions. you should use at least three sources that need to be referenced in a standard in-line format that allows them to be verified. a complete list of citations should be included at the end of the essay. your work must be original and will be checked with turnitin. the citation list should not be included in the 1000 words limit for the essay.
Answers
The modern fault system in Death Valley is a little more intricate. A normal fault zone connects a network of two strike-slip fault zones. The two strike-slip faults are moving laterally (side to side), pulling apart the typical fault zone.
Burchfiel and Stewart (1966) initially proposed the existence of this kind of extensional zone, known as a pull-apart basin, which is responsible for the Badwater Basin's descent to the lowest point in North America. Although the exact chronology of the tectonic change is uncertain, Norton (2011) theorises that it took place about 3 million years ago. These continuous geologic pressures continue to alter the Badwater Basin.
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Discuss two important events that occurred in the history of the Ethiopian kingdom of Aksum.
Answers
Answer:
In simple words, The Kingdoms of Aksum is known for a range of accomplishments, including the creation of its own script, the Ge'ez alphabet. Aksum converted to Christianity during King Ezana, giving birth to the Orthodox Christians Tewahedo Church as well as the Eritrean Orthodox Tewahedo Congregation.
5 professional careers that Geography can offer to people
Answers
Answer:
Geospatial Information Scientist and Technologist.
Geospatial Analyst.
GIS Developer.
Logistics Analyst.
Transportation Planner.
Explanation:
human activity on land can have a profound influence on marine ecosystems.
Answers
Human activity on land can have a profound influence on marine ecosystems. It can lead to water pollution, climate change, habitat destruction, and the introduction of invasive species into marine environments.Water pollution is one of the most significant consequences of human activity on land, which can significantly affect marine ecosystems.
Pesticides, fertilizers, and other chemicals from farms can run off into nearby water sources and eventually make their way into the ocean, contaminating it and affecting marine life. Sewage and waste disposal are additional sources of water pollution that can have severe consequences on marine ecosystems. Waste disposal into water bodies can contribute to the presence of pathogens, viruses, and other harmful pollutants that can cause harm to marine life.
Climate change is another consequence of human activity on land that can negatively impact marine ecosystems. Carbon dioxide, methane, and other greenhouse gases released from activities such as the burning of fossil fuels can trap heat in the atmosphere, leading to warming ocean temperatures and changes in ocean currents. These changes can affect marine life, leading to the decline in species that cannot adapt to such changes.
Destruction of these habitats can lead to the decline of marine life and biodiversity.In conclusion, human activities on land have significant consequences on marine ecosystems. Water pollution, climate change, habitat destruction, and the introduction of invasive species are some of the ways that human activities affect marine ecosystems. Therefore, it is necessary to adopt sustainable practices and manage human activity to ensure the conservation and sustainability of marine ecosystems.
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Which of the following is true for a dryline? O A There is a temperature change across the dryline B The is a dewpoint change across the dryline C. The winds are much weaker west of the dryline
Answers
Among the options provided, the true statement for a dryline is: A) There is a temperature change across the dryline.
A dryline is a boundary that separates warm, dry air from warm, moist air.
It is typically associated with a sharp change in temperature and moisture content. The warm, dry air mass usually lies to the west of the dryline, while the warm, moist air mass is located to the east.
This temperature change across the dryline is a distinguishing characteristic of this weather phenomenon.
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which context clue in the passage shows how Ted was feeling
Answers
Answer:
a.
Explanation:
well D. would be the best answer but since it not an option a (i think) a. shows some sort of regret since he confessed. hope it helps
Partly because of the effects of AIDS on Botswana’s adult population, the majority of the country’s population is __________.
Answers
Answer:
below the age of 20.
Explanation:
population statistics
Where is the largest desert area found in Texas?
A. Mountains and Basin Region
B. Coastal Plains
C. Great Plains
D. Atlantic Coast
Answers
Answer:
Mountains and Basin Regions
Explanation:
The Chihuhuan Desert is the largest desert in north america and extends past mexican borders into the eastern part of texas.
" which graph best represents the percentage by mass of elements of earth's crust " ?
Answers
Answer: Graph 1
Explanation:
The Earth’s crust has minerals that are made up of different elements, most of them combined in compounds. Of those elements, oxygen takes 46.1% of the total mass, while there´s 28.2% of silicon and the other 25.7% includes the rest of the elements, which are aluminum, iron, calcium, sodium, potassium, magnesium, copper, uranium, gold, and silver.
The elements of the earth's crust are oxygen, silicon, iron, and aluminum that accounts for about 88% of the earth's crust and the remaining 90 elements make up 12% of the earth's crust.
Oxygen hare the largest mass of these elements. The O2 elements are 46%, silicon 28.2%, and others 25% hence the option one is correct.Learn more about the represents the percentage by mass.
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Which of the following air conditions would be least likely to have precipitation?cold, moist airwarm, dry aircold, dry airwarm, moist air
Answers
I think it would be Cold
Explanation:
Answer:water vapor
Explanation:
find the following 50%of100
Answers
Answer:
50
Explanation:
50% of 100 is half, and half of 100 is 50.
which situation would be most likely to form a fossil under normal environmental conditions?
Answers
Answer:
Based on the search results, the most commonly suggested answer to the question "Which situation would be most likely to form a fossil under normal environmental conditions?" is "An animal that died at the edge of a waterhole" (search results [1], [2], and [3]).
Search result [4] also discusses the conditions that have to be met for fossils to form, including the requirement that the animal had to live in the given area. This implies that animals that frequently visited or died near water sources, such as rivers or waterholes, might be more likely to form fossils under normal environmental conditions.
It is important to note that the formation of fossils can be influenced by a variety of factors, including temperature, humidity, soil type, and other local conditions. Additionally, variations in the types of fossils that are found and their preservation can depend on the specific location and geologic history of the area.
Explanation:
the causes and the effects of ozone depletion
Answers
Answer:
the answer is this will cause the suns rays to go through the earths atmosphere and heat up the planet causing it to become hotter.
Explanation:
we are causing this by our factory's and cars pollution.Causes : chlorofluorocarbon (CFCs), halons, and other compounds deplete the ozone layer.
Which power metallurgy atomization process enables the production of fine grained powder and amorphous metals with uniform chemistry?
Question 2 options:
a) Inert gas
b) Water
c) Plasma
d) Centrifugal
Answers
The Powder metallurgy atomization process enables the production of fine-grained powder and amorphous metals with uniform chemistry with inert gas. So the correct option is option A.
Atomization is the process of creating metal powder particles from molten metal by spraying either a gas or a liquid. This is by far the most important method of metal powder particle formation.
In gas atomization, typically inert gases such as nitrogen, helium, and argon are used to break up the molten metal stream. Powder metallurgy allows for the mixing of materials that cannot be mixed and the processing of materials that have extremely high melting points.
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The Appalachian mountains are the main mountain range in the west. True or False
Answers
Answer:
FALSE
Explanation:
The Appalachian mountains are the main mountain range in the east part of the United States.
False, The Appalachian mountains are the main mountain range in the east.
The Appalachian Mountains are a network of mountain ranges in North America. Located partly in Canada but mostly in the United States, they form a zone of 150-500 kilometers (approximately 300 miles). Newfoundland and Labrador in Canada and central Alabama in the United States are 2,400 km (1,500 miles) apart, with foothills in northeastern Mississippi.
The Gaspé Peninsula is the northernmost part of the mainland. It is estimated that the Appalachians predate the formation of the North American continent by several thousand years.
It consists of a series of ranges that rise up to about 900 meters (3,000 feet) in height. Mount Mitchell, the highest peak in eastern North America east of the Mississippi River, has a height of 2,037 m (6,684 feet), which is the highest point east of the Mississippi River.
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Sample I is the cute little golden cube embedded in this metamorphic rock called a greenschist. This perfect little cube crystallized in this rock during the metamorphic process. If you were not a trained geologist, this mineral might fool you into thinking that it is gold because it is often called "fool's gold." What mineral is it?
Answers
The little golden cube that could fool a person into thinking its gold is known as Pyrite.
What are the characteristics of pyrite?Pyrite is often called, "fools gold" because it takes the appearance of gold if one is not trained in being able to assess gold quantities.
Pyrite is also brittle and so does not bend. You can tell pyrite from gold because pyrite leaves a streak that is brown while gold leaves a streak that is yellow.
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Why is Uk's weather not Antarctica's
Answers
Answer: Antharctica temperature −128.6 °F (−89.2 °C)
United Kingdom temperature 61°F
Explanation:
Because antharctica is a lot colder than United Kingdom?
if we discover a new planet in our solar system with a period of 10900.0 years, how far is the planet from the sun in au?
Answers
Making T a formula subject, we have T = 2π√(R³/GM). By changing the variables' values in the equation, we arrive at T = 2π√(R³/GM)
The new planet has a period of 1.053 1010 seconds. planet-wide gravitational force. The centripetal force on the planet, F', is the same as the gravitational force on the planet, F.F = F' Where Gamm/R2 = mR2. G is the universal gravitational constant, which is 6.67 1011 Nm2/kg2, M is the mass of the sun, which is 1.989 1030 kg, R is the radius of the planet, which is 48.1 au, and is the angular speed of the planet, which is 2/T, where T is the period of the planet. Thus, Gamm/R2 = mR2. Gamm/R2 equals Mr(2/T) 2. The planet's time frame. Making T a formula subject, we have T = 2π√(R³/GM). By changing the variables' values in the equation, we arrive at T = 2π√(R³/GM), T is equal to 2((7.1958 1012 m)3/[6.67 1011 Nm2/kg2 1.989 1030 kg]). T is equal to 2 (372.5952 1036 m3 13.26663 1019 Nm2/kg). T = 2π√ (28.085 × 10¹⁷ Nm/kg).
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what are human settelments
Answers
HELP PLEASE
Question 110 pts
A trout is not considered a _____________________ species because it lives in freshwater streams, rivers, and lakes.
Group of answer choices
hydrant
marine
hydroelectric
aquatic
Flag this Question
Question 210 pts
It is important that we utilize alternative energy sources, such as _______________ power, in order to reduce the burning of fossil fuels.
Group of answer choices
aquatic
hydrant
aqueduct
hydroelectric
Flag this Question
Question 310 pts
The scientists were studying a number of _______________ plants to see if pollution from the nearby factory was affecting the pond.
Group of answer choices
marine
aqueduct
aquatic
hydroelectric
Flag this Question
Question 410 pts
Because there wasn't an accessible ____________________ near the house, the firefighters were unable to save our home from the fire.
Group of answer choices
aquatic
hydrant
hydroelectric
marine
Flag this Question
Question 510 pts
The severe drought left the local _____________ almost empty, which prevented the farmers from properly watering their crops.
Group of answer choices
aquatic
marine
hydrant
aqueduct
Flag this Question
Question 610 pts
Choose an antonym for dehydrate.
Group of answer choices
moisten
jungle
parch
rainforest
Flag this Question
Question 710 pts
What might you hear if you were in a marina?
Group of answer choices
barking dogs
screeching seagulls
loud sirens
crying babies
Flag this Question
Question 810 pts
Choose a synonym for maritime.
Group of answer choices
oceanic
atmosphere
vessels
terrestrial
Flag this Question
Question 910 pts
Why might aquifiers be important to humans?
Group of answer choices
They provide water and shelter to many desert animal species.
They provide a place for recreational fun, like boating, swimming, and fishing.
They took many years to build, and they bring water to large cities.
The rocks within them help to filter and clean flowing groundwater.
Flag this Question
Question 1010 pts
aquarium : water : vase :
Group of answer choices
glass
fish
flowers
rocks
Answers
Answer:
A trout is not considered a marine species because it lives in freshwater streams, rivers, and lakes.
It is important that we utilize alternative energy sources, such as hydroelectric power, in order to reduce the burning of fossil fuels.
The scientists were studying a number of aquatic plants to see if pollution from the nearby factory was affecting the pond.
Because there wasn't an accessible hydrant near the house, the firefighters were unable to save our home from the fire.
The severe drought left the local aqueduct almost empty, which prevented the farmers from properly watering their crops.
Choose an antonym for dehydrate. - Moisten
What might you hear if you were in a marina? - Screeching seagulls
Choose a synonym for maritime. - Oceanic
Why might aquifers be important to humans? - The rocks within them help to filter and clean flowing groundwater.
aquarium : water : vase : flowers
Explanation: The answers are underlined! Good luck! :D
an intermediate product in the transformation of snow to glacial ice is . question 1 options: sublimation ablation firn terminus
Answers
Answer:
firn
Explanation:
i had to search this one
what are three negative health effects of ground-level ozone
Answers
Three negative health effects of ground-level ozone are many issues, that can be seen under.
1. Respiratory Issues: Ground-level ozone can cause various respiratory problems, particularly in individuals with pre-existing respiratory conditions such as asthma, bronchitis, and chronic obstructive pulmonary disease (COPD). It can irritate and inflame the airways, leading to coughing, wheezing, shortness of breath, and chest tightness.
2. Decreased Lung Function: Prolonged exposure to high levels of ground-level ozone can result in reduced lung function. It may decrease lung capacity and impair the ability of the lungs to take in and distribute oxygen effectively. This can lead to breathing difficulties and decreased physical performance.
3. Increased Susceptibility to Infections: Ground-level ozone exposure can weaken the immune system and make individuals more susceptible to respiratory infections. It can compromise the body's defense mechanisms, making it harder to fight off viruses, bacteria, and other pathogens.
These health effects highlight the importance of minimizing ground-level ozone pollution and taking measures to improve air quality to protect public health.
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As European nations became involved in World War 1 in 1914, the United States was
Answers
Answer:
not in the war
Explanation:
3. What physical features might be present in countries that have large numbers of people concentrated in relatively small areas?
Answers
Answer:
The physical features might include fresh water, fertile soil, and friendly to life. Way of life of a group of people who share beliefs and similar customs.
Answer:
well i misunderstood the question, so. physical feautures you may see is smaller amounts of clean water, really big apartment building, theres also a lot of soil.
Explanation:
Bison live in __________ ecosystems in the United States.
A.
desert
B.
grassland
C.
deciduous
D.
coniferous
Ill mark brainiset
Answers
Answer:
B
Explanation: