Ecology Review

Front

The branch of biology dealing with interactions among organisms and between organisms and their environment is:

Back

Ecology

Front

What is the ultimate source of energy for almost every organism in every ecosystem?

Back

Sunlight

Front

The green plant at the beginning of the food chain in the picture above is the: decomposer, producer, heterotroph

Back

producer

Front

How many trophic levels are represented in the picture of the food web above?

Back

4

Front

The secondary consumer in an ecosystem is usually a

Back

predator/carnivore

Front

All the interconnected feeding relationships in an ecosystem make up a food: network, web, chain

Back

web

Front

Arrows in a food web should show energy going from the

Back

eaten to the eater

Front

Abiotic factors in the environment are all __________. Options: living, nonliving

Back

nonliving

Front

A group of populations that interact in an area is __________

Back

community

Front

Lions, birds, snakes and trees are all __________.

Back

biotic factors