What do you call organisms that eat ONLY other consumers?

What is the MAIN source of energy supply for a food chain?

(HINT: Where did all the energy come from?)

Which of these is a producer that gets its energy from something OTHER THAN the sun?

(HINT: It does not use sunlight at all)

What is the MAIN way most energy is lost in a food chain?

On average, how much energy is passed from one level of a food chain to another?

In a freshwater ecosystem, ducks and snails eat grass and algae. The snails are eaten by mice and ducks. A fox will eat mice, but also ducks.

From this description, how would you describe the Ducks?

In a freshwater ecosystem, ducks and snails eat grass and algae. The snails are eaten by mice and ducks. A fox will eat mice, but also ducks.

From this description, how would you describe the Mice?

In a freshwater ecosystem, ducks and snails eat grass and algae. The snails are eaten by mice and ducks. A fox will eat mice, but also ducks.

From this description, what would be an example Food Chain?

Based on the Food Web, which animal would be an omnivore?

(HINT: an omnivore eats Producers and Consumers)

Based on the Food Chain, how would your describe the frog?

Based on the Food Chain, how would your describe the grass?

Based on the Food Chain, how much energy makes it to the HAWK?

(HINT: Assume that the grass starts with 100% energy)

In the food web shown, who is the secondary consumer?

What level consumer is the deer?

Why might an organism have more than one arrow coming from them in a food web?

An organism that breaks down dead organisms and return nutrients to soil.

An organism that can make its own food using the sun’s energy.

An organism that eats only animals (meat).

An organism that eats only plants.

An organism that eats both plants and animals (meat).

If an arrow points from a rabbit to a fox it means

What is eating the grasshopper? Choose all that apply.

What are the birds eating? Choose all that apply.

Which of the following is a first level consumer in the web?

Which of the following is an omnivore in the web?

Which of the following is a carnivore in the web?

The 1st organism in a food chain must always be what type of organism?

Name 2 food making processes.

Define herbivore

Herbivores are also called ____________________.

What are animals called that feed on herbivores?

__________________________ consumers eat secondary consumers.

What is used to indicate the flow of energy in a food chain or web?

Define food web

What is meant by trophic levels?

Name the second trophic level. (both names)

Secondary consumers may be ______________________ that eat only meat or ______________________ that eat both plants and animals.

What is the 3rd trophic level called?

What two organisms act as decomposers? Click the two that apply.

What role do sea otters play in the Pacific Northwest ecosystem?

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

Which one of the following keystone examples is a keystone predator found in the tidal pools of northwestern North America and was the species that launched Robert Paine’s keystone species concept?

Which one of the following keystone examples play a vital role in the health of coastal kelp forests?

A pilot fish usually follows behind sharks to pick up food scraps that they leave behind. The fish gets food and the shark is unaffected. This is an example of:

A mongoose eating ticks off a warthog, or a starling eating ticks off a cow are examples of what type of symbiotic relationship?

A general term for a relationship that describes a close interaction between two different species is known as what?