Biology Chapter 3

All of the following ar examples of primary consumers EXCEPT

Which of the following descriptions about the organization of an ecosystem is correct

Where are producers found in a food chain?

An ecosystem includes which of the following

The study of interactions among organisms & between organisms and their environemnt is called

In what way are herbivores and carnivores alike

Which is an example of how biotic and abiotic factors interact?

autotroph : heterotroph :: consumer :

The flow of energy in a food web originally starts at _____________ and ends at _____________

Which of these organisms is a decomposer?

Which of the following describes how ALL consumers get their energy

Food chains and food webs demonstrate which characteristic of life

Fill in the blank: Species < Population < ________ < Ecosystem < Biosphere

An example of a biotic factor in an ecosystem is

Nitrogen fixation is carried out primarily by

Each of the following is an abiotic factor in the environment EXCEPT

All of the following are cycled through living and noniving parts of the ecosystem EXCEPT

Biotic is to bird as abiotic is to 

What animals eat both producers and consumers?

Which trophic level would have the most biomass?

Animals that consume the carcusses of other animals

All the organisms that live in a place as well as the nonliving components make up a(n)

How much energy is passed from one trophic level to the next

Food webs and food chain show a transfer of

Which of the following describes how ALL producers get their energy

A group of deer living in the same area and interbreeding is a(n)

All the interconnected feeding relationships in an ecosystem make up a food