4) Carrying Capacity/Biomass Pyramid

An environment will only have as many organisms as

there are resources for those organisms to use

An environment will have many organisms to use for as many

resources there are

What does carrying capacity refer to?

the maximum number of individual organisms within a population that an ecosystem can support

What refers to the maximum number of individual organisms within a population that an ecosystem can support?

carrying capacity

What affects the carrying capacities of an ecosystem

biotic and abiotic factors

What do biotic and abiotic factors affect?

the carrying capacities of an ecosystem

What do biotic factors concern

the living parts of an ecosystem

What concerns the living parts of an ecosystem?

biotic factors

What do biotic factors include?

plants, animals, microorganisms, and the interactions among them

What includes plants, animals, microorganisms, and the interactions among them?

biotic factors

What do abiotic factors concern?

the nonliving parts of an ecosystem

What concerns the nonliving parts of an ecosystem?

abiotic factors

What do abiotic factors include?

water availability, sunlight the ecosystem receives, what the soil is made of and it’s nutrients, temperature, wind, altitude, and other environmental conditions

What includes water availability, sunlight the ecosystem receives, what the soil is made of and it’s nutrients, temperature, wind, altitude, and other environmental conditions

abiotic factors

Some ecosystems can support

a greater variety and a larger number of organisms than others

What can support a greater variety and a larger number of organisms than others?

Some ecosystems

What is an example of how some ecosystems can support a greater variety and a larger number of organisms than others?

more types of organisms live in the tropics than deserts

More types of organisms live in the trophics than deserts is an example of what?

how some ecosystems can support a greater variety and a larger number of organisms than others

What can vary with the seasons?

the number of organisms that an ecosystem can support

The number of organisms that an ecosystem can support can vary with what?

the seasons

More organisms can survive during warm summers than cold winters is an example of what?

how the number of organisms that an ecosystem can support varies with the seasons

What is an example of how the number of organisms that can ecosystem can support varies the seasons?

more organisms can survive during warm summers than cold winters

In general, ecosystems can support

more organisms at lower levels in a food web than at a higher level

In general, what can support more organisms at lower levels in a food web than at a higher level?

ecosystems

What does the pyramid of biomass show?

at each step up in the feeding levels, ecosystems can support fewer organisms

What shows that at each step up in the feeding levels, ecosystems can support fewer organisms?

the pyramid of biomass