Ecosystem and Energy Flow

Algae is an example of what kind of organism?

• Heterotroph

• Producer

• Consumer

• Decomposer

Primary consumers make up which trophic level?

• second trophic level

• fourth trophic level

• third trophic level

• first trophic level

What kind of organism gets energy from inorganic chemicals in order to produce its own food?

• Photoautotroph

• Detritivore

• Heterotroph

• Chemoautotroph

What kind of organism cannot make its own food?

• Autotroph

• Producer

• Chemotroph

• Heterotroph

The squid is what level consumer?

• primary producer

• quaternary consumer

• secondary consumer

• tertiary consumer

What organisms eat both producers and consumers?

• Carnivore

• Omnivore

• Herbivore

• Detritivore

Which of the following is NOT an example of a plant's niche?

• Eat other organisms

• Capture energy from the sun

• Store energy for other organisms to use

• All are examples of a plant's niche

A snake that eats a frog that has eaten an insect that fed on a plant is an example of what?

• primary producer

• first level consumer

• second level consumer

• third level consumer

Branch of biology that deals with the interactions among organisms and their environment?

• Ecology

• Modeling

• Recycling

• Economy

What is the original source of energy for most organisms?

• Sugar

• Water

• Sunlight

• Carbon