Unit 7 Ecology Review 1

A group of squirrels living in a park would be considered a

• abiotic factor

• population

• community

• ecosystem

Birds, trees, the air, sunlight and water would be considered a(n)

• abiotic factor

• population

• community

• ecosystem

Which are characteristics of living things. (Choose more than one)

• moves around

• uses energy for metabolism

• contains cells

• reproduces

A plant growing towards a light source is the best example of

• metabolism

• response to stimuli

• growth

• asexual reproduction

An organism dividing into two new organisms that are exact clones of the original is an example of

• a virus infecting a cell

• sexual reproduction

• asexual reproduction

• none of the above

Rocks, air, water, and temperature are all examples of

• biotic factors

• abiotic factors

Birds, fish, rabbits, trees, and fungi are all examples of

• biotic factors

• abiotic factors

Which of the following are the correct order of ecological organization from smallest to largest? (this is a constructed answer question on the test so you will need to know these to write them)

• Organism, population, ecosystem, community, biome, biosphere

• Organism, population, community, ecosystem, biosphere, biome

• Organism, population, community, ecosystem, biome, biosphere

• Organism, community, population, ecosystem, biome, biosphere

Which of the following is a biotic factor that could limit the growth of a population?

• geography of the area

• the average temperature of the area

• the number of predators in the area

• the average rainfall for the area

Photosynthetic organisms remove which gas from the atmosphere?

• Oxygen

• Carbon dioxide

• water vapor

• ozone