Ecology Quiz Review

_______ is the study of relationships among living and nonliving parts of an environment. 

• Ecosystem
• Niche
• Habitat
• Ecology

What are the two parts of an ecosystem?

• water and sunlight
• all living and nonliving organisms
• producers and consumers
• soil and nutrients

A bee receives nectar from a flower and carries the pollen to other flowers:

• predation

• parasitism

• mutualism

• commensalism

Which organisms would be at the top or last trophic level?

• plant

• herbivore

• omnivore

• carnivore

Barnacles do not affect whales as they grow, but receive the benefit of a food source. This is

• parasitism

• mutualism

• commensalism

• neutralism

These organisms are often not shown in a food chain, but are important for recycling nutrients

• producers

• decomposers

• primary consumers

• carnivores

90% of the energy that gets lost as you move up a food pyramid or chain gets lost as

• pollution to the environment

• heat to the environment

• energy for decomposers

• gets recycled

What percentage of energy is passed on to the next trophic level?

• 5%

• 10%

• 50%

• 90%

The living part of an ecosystem

• Biotic
• Abiotic
• Mother Earth
• Flowers

The non-living part of an ecosystem

• Ocean
• Lava Flow
• Birds
• Abiotic