In a temperate grassland ecosystem, total primary production was 12,740 g/m"/yr. Annual net secondary production by the herbivorous insect community was 320.5 g/m/yr. Total net tertiary production by spiders was 22.6 g/m2/yr. Is productivity biomass-based or productivity-based?

Q: solar energy Which two factors cause the variation seen in primary productivity among the three…

A: Introduction :- Productivity is the rate of generation of biomass in an ecosystem .The rate at which…

Q: Define Gross Primary Productivity.

A: The rate of synthesis of organic matter or biomass produced at any trophic level during a given…

Q: Use the following information to respond to the prompts below the data table.

A: The trophic level is defined as the feeding level occupied by an organism in the food chain, food…

Q: A pyramid of biomass shows the mass of all of the organisms in each trophic level of an ecosystem .…

A: An ecological pyramid is a graphical representation of constructed to represent the biomass or…

Q: Which of the following is an example of an inverted biomass pyramid?   Multiple Choice   A.…

A: In the ecosystem the biomass, energy and the number of individuals can be represented by graphical…

Q: Within an ecosystem, the total amount of energy produced initially by primary producers will be the…

A: Answer :- Option (A) is correct. - More than.

Q: Identify what information is unaccounted for in the data and outline how this is important to…

A: According to the data available only data of  NSP and respiration is given.  But data about GPP ,…

Q: Do forest use and grazing make up a larger part of the footprint for temperate-zone industrialized…

A: An ecosystem is a well stated that they are been defined that they are a community made up of both…

Q: Net primary production per unit area is likely to be highest in which of the following ecosystems?a.…

A: Answer is d.) tropical rain forests.

Q: In terms of NPP what are the top 2 most productive ecosystems? What contributes to their high…

A: Answer: Introduction: Ecosystem is also called as a biological community which leftover combined…

Q: How do gross primary productivity (GPP) and net primary productivity (NPP) differ?

A: Energy flows through natural pathways and biogeochemical cycles. This includes the flow of amounts…

Q: What is a food web? How does the amount of primary productivity influence the number of trophic…

A: The populations of different species in each trophic level of an ecosystem are important ecosystem…

Q: A pyramid of energy for this ecosystem would look more like the pyramid of than the pyramid of…

A: The question is about comparison of two ecological pyramids.

Q: Ecosystem A has primary production of 2000 g C /m2/yr and ecological efficiency of 10%. Ecosystem B…

A: Ecosystem A has primary production of 2000 g.C.m-2.y-1, and ecological efficiency of 10%. Now, we…

Q: Which of the terms describes energy made by producers? O Band C O C) Secondary production O A) Net…

A: Autotrophs are the primary producers in ecosystem.  They include photosynthetic plants .

Q: Primary productivity varies from ecosystem to ecosystem.Explain?

A: An ecosystem is a large community of living organisms in a specific area in which the biotic and…

Q: Why does primary productivity vary in different ecosystems?

A: The productivity in ecology is refers to the rate of generation of biomass in an ecosystem. It is…

Q: In an ecosystem with four levels producers, primary consumers, and two higher-level consumers…

A: The ecosystem is any geographical region where different living organisms such as plants, animals…

Q: Based on its primary productivity, which terrestrial ecosystem or life zone is able to produce the…

A: Ecosystem is a geographical area that consists of all the organisms dwell together. The ecosystem of…

Q: DISTINGUISH between the following pairs of ecological terms: a. Primary production/Secondary…

A: Ecology is the study of the relationship between living things, including humans, and their physical…

Q: Define gross primary production, net primary production, secondary

A: Production in the ecosystem is defined as the generation rate of biomass. In the ecosystem, there…

Q: What type of ecological pyramid would be obtained from 120g secondary consumers, 60g primary…

A: The graphical representation of the relationship between the organisms present in an ecosystem is…

Q: What is the approximate value of net primary productivity of biosphere?

A: Biosphere accounts for all the ecosystems present on earth or the zone where life is present. An…

Q: community that has 4 trophic levels, what biomass of primary producers is necessary to maintain a…

A: Correct option: (a) 178kg/m^2 Reason:  According to the 10 % Law : the energy stored in 1st trophic…

Q: EcosystemA hasprimary production of 1000 g C /m2/yr and ecological efficiency of 10%. Ecosystem B…

A: The rate of biomass production per unit area is called productivity. The primary productivity of a…

Q: What is the reason for highest biomass in aquatic ecosystem?

A: The ecosystem present in a water body is known as aquatic ecosystem. It is of two types, namely…

Q: What will be the amount of energy available to the organism of the 2nd trophic level of a food…

A: Introduction A food chain describes the flow and transfer of energy from each lower trophic level to…

Q: What trophic level contains the greatest biomass in most ecosystems? Explain why this occurs.

A: Producers contains the greatest biomass in most ecosystems .

Q: ecosystem A has primary production of 2000 g c/m2/yr and ecological efficiency of 10%.Ecosystem B…

A: The trophic level is a position which is occupied by an organism in a food web or food chain. There…

Q: What is gross primary productivity and net primary productivity?

A: Most algae, plants, and cyanobacteria are the photoautotrophs as they perform photosynthesis.

Q: Net primary productivity of two mangrove forest stands on the northwestern coast of Sri Lanka…

A: Gross primary productivity refers to carbon fixation amount by all the producers present in the…

Q: What is the typical shape ofa population growth curve?How can the biotic potentialbe represented in…

A: A population growth curve is a graphical representation of how a particular quantity increases over…

Q: Earth has a total of 11.9 billion gha of productive land. How many people could Earth…

A: Ecological footprint is the method to estimate human demand on natural resources. It is calculated…

Q: To produce about 3 tons of fish and fishery products annually, approximately how many hectares of…

A: Annual production of fish and fish products combined from 1 hectare of mangrove is 1.86 tonnes.…

Q: A given ecosystem has the following amounts of energy available at each trophic level: Primary…

A: Lindeman's law for ecological efficiency states that the efficiency of the transfer of energy is…

Q: Net ecosystem production is de fined as net primary productivity plus ecosystem respiration net…

A: Production in ecosystem is defined as the amount of biomass or food that is fixed by the autotrophs…

Q: Explain how and why the percent of consumed Net Primary Productivity (NPP) varies greatly when…

A: Net primary productivity (NPP )usually states that they are known to represent the excellence…

Q: Each species has a particular niche within a community. This niche is defined by which two sets of…

A: The natural world is made up of two important components- biotic and biotic. The living organisms…

Q: In a temperate grassland ecosystem, total primary production was 12,740 g/m/yr. Annual net secondary…

A: In ecosystems, living organisms are linked together by feeding relationships. Producers or…

Q: Given these large-scale climate patterns based on latitude, what might you expect in terms of the…

A: Ecological or habitat factors are the various conditions that affect the growth of plants and…

Q: What does primary productivity measure? What does it tell you about an ecosystem? Explain your…

A: Plants produce starch during photosynthesis in the presence of sunlight and chlorophyll pigment.…

Q: Which of the following resources is currently considered renewable but may become a nonrenewable…

A: Introduction :- Coal, natural gas, oil, and nuclear energy are examples of nonrenewable energy…

Q: Describe what a pyramid of numbers would like if an ecologist models the relationship between bird…

A: The relationship between organisms at different trophic levels in the food chain is graphically…

Q: In a forest experiment, in one plot there is a total of 100 kJ of energy in the plants. An insect…

A: Deer consume 80kJ energy from plants. We have to find tropic energy so It is the percentage of…

Q: What does primary productivity measure? What does it tell you about an ecosystem?

A: Each ecosystem have a food web and organisms at different trophic  levels .

Q: Use the following information to respond to the prompts below the data table. JUST ANSWER C AND D…

A: An ecosystem is composed of producers that can fix carbon dioxide, herbivores comprise the secondary…

Q: Which of these areas is likely to have the lowest overall productivity? an area in which intensive…

A: The growth of the organisms in a particular ecosystem depends on the availability of various…

Q: Why does nature favor raising the gross primary productivity while man tends to raise the net…

A: The area of biology known as ecology is concerned with how organisms interact with one another and…