APES Unit 1 Ecology

Different species of birds may utilize different parts of the same tree or feed at different times of day. This is an example of:

Although a species may hypothetically be able to use more space or resources if there were no competition, the ______________ is the actual role they play in the ecosystem:

Lower trophic levels generally contain ______ energy, biomass, and individuals.

What factors may lead a nonnative species to become invasive? Select all that apply.

Life on the earth depends on three interconnected factors. Which of the following are involved in sustaining life on the earth?

I. Flow of high-quality energy

II. Cycling of matter or nutrients

III. Gravity

Solar energy flowing to the earth does all of the following EXCEPT

Consider the food chain in the picture:

Using the 10% rule, how many calories of corn will be needed to support a snake that consumes 200 calories of lizard biomass per feeding?

The rate at which producers in an ecosystem convert solar energy into chemical energy is called

Generalized pyramid energy flow has only a 10% efficiency because 90% of the energy is lost to the environment as heat. This phenomenon is explained by

What is the percent change in striped bass catch at Lake Sagamore from 1994 to 1999?