Ecology Review 3/27/24

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.

• The grasshoppers will decrease.

• The eagles will remain the same.

• The grasshoppers will increase.

What is the primary source of energy for most ecosystems?

• Wind

• Geothermal heat

• The Sun

• Water

In a food chain, what trophic level directly obtains its energy from producers?

• Primary consumers

• Secondary consumers

• Tertiary consumers

• Quaternary consumers

Which of the following best describes biodiversity?

• The number of individuals in a species

• The variety of life in a particular habitat or ecosystem

• The rate of species extinction

• The genetic similarity among species

What is the role of decomposers in an ecosystem?

• They produce their own food through photosynthesis

• They consume living plants

• They break down dead organisms and recycle nutrients back into the ecosystem

• They prey on primary consumers

Which of the following is an example of a mutualistic relationship?

• A lion eating a zebra

• A bee pollinating a flower while gathering nectar

• A tick feeding on a dog

• A shark eating a fish

What is the term used to describe the variety of genes within a species?

• Ecosystem diversity

• Species diversity

• Genetic diversity

• Cultural diversity

In an ecosystem, plants are considered as:

• Primary consumers

• Secondary consumers

• Producers

• Decomposers

Something that is living

• abiotic

• biotic

• qualitative

• science

something that is non-living

• abiotic

• biotic

• quantitative

• science