Ecology Unit Test Review

Organisms that make their own food are called

• consumers

• bacteria

• producers

• decomposes

A group of organisms of different species living together in a particular place is called a

• community

• population

• biome

• habitat

Ecology is the study of the interaction of living organisms

• with each other and their biotic factors.

• and their communities

• with each other and their physical environment.

• and the food they eat.

Which of the following is ordered correctly from smallest to largest?

• biome, ecosystem, population, community, organism

• organism, population, community, ecosystem, biome

• population, organism, community, ecosystem, biome

• organism, population, ecosystem, community, biome

Which of the following in are biotic factors?

• soil, mushrrom, tree

• deer, mushroom, grass

• soil, sunlight, grass

• bird, river, deer

The shark and the remora fish share a special relationship. The remora fish clan bacteria off of the shark. The fish gets food and the shark is cleaned of many parasites. What type of relationship is this?

• parasitism

• mutualism

• commensalism

• predator

Which of the following types of succession would most likely occur following a forest fire?

• primary succession

• old field succession

• secondary succession

• lake succession

A fire destroys all the grasses in a prairie ecosystem. The field mice living in the prairie no longer have the protection of dense vegetation in their habitat. Over the course of a year, the grasses do not grow back. Which of these is the most likely effect of the population of field mice?

• The mice population will move or die out.

• The mice population will increase in number or diversity.

• The mice population will develop new behaviors and remain there.

• The mice population will change color to blend in with the new habitat.

A biome is defined by its

• elevation and soil.

• plant and animal species.

• climate and plant communities

• latitude and longitude.

Food webs are more commonplace than food chains because.

• many animals that comprise the links in a food chain are migratory.

• organisms almost always eat, and are eaten by, many different organisms.

• over time, food chains always become food webs.

• none of the above