Ecology Quiz Topics

What are the levels of organization in ecology? List them in order from smallest to largest.

• Species, population, community, ecosystem, biosphere

• Biosphere, ecosystem, community, population, species

• Community, population, species, ecosystem, biosphere

• Ecosystem, community, population, species, biosphere

Which of the following is an example of a biotic factor?

• Oxygen

• Soil

• Plants

• pH

Which of the following is an example of an abiotic factor?

• A) Animals

• B) Worms

• C) Carbon dioxide

• D) Trees

What is carrying capacity?

Name two factors that affect population size in an ecosystem.

• Food, mates, shelter, water, hunters, disease, predators (any two)

• Color of the sky, shape of rocks

• Type of soil, length of day

• Phase of the moon, direction of wind

Match the following nutritional relationships with their definitions:

• A

• Eats both plants and animals

• B

• Eats meat

• E

• Plants (energy source is the sun)

• C

• Eats plants

• D

• Recycles nutrients (worms, fungi)

In the food chain diagram, which organism is the primary producer?

• Grass

• Rabbit

• Snake

• Hawk

Decomposers recycle nutrients but energy does NOT get recycled in an ecosystem.

• True

• False

According to the energy pyramid diagram, what percentage of energy is available to secondary consumers?

• 1%

• 10%

• 0.1%

• 5%

What do the arrows in a food chain or food web represent?