Ecology Quiz

A fundamental concept of ecology is that living organisms

• are independent and do not interact with each other or with the physical environment

• do not interact with other living organisms, but do interact with the physical environment

• interact with each other, but do not interact with the physical environment

• interact with other living organisms and interact with the physical environment

The portion of Earth in which all life exists is known as

• a population

• the biosphere

• the community

• a biome

Abiotic factors that affect the growth of grass in a lawn include

• bacteria and soil

• earthworms and nutrients

• moisture and minerals

• fertilizer and decomposing insects

Which of the following is not a terrestrial biome?

• forest

• desert

• wetlands

• tundra

Which of the following is not a biotic factor?

• sun’s rays

• dead bee

• a fallen tree

• children

Put the following levels of ecological organization in order from the smallest to largest: community, organism, population, species, biome, ecosystem.

The study of how organisms interact is _______________.

A(n) _______________ includes all the living and nonliving things in one place.

All the members of one species living in one ecosystem at one time make up a(n) _______________.

All the populations living together in the same ecosystem at the same time make up a(n) _______________.