Food Webs 1

Front

Which organism do the owl and the weasel compete for in the food web? Options: Hawk, Spider, Grasshopper, Shrew

Back

Shrew

Front

A frog eats a fly. The frog and fly are demonstrating a ________ relationship.

Back

predator/prey

Front

A relationship that involves species having to fight for something they both need or want

Back

competition

Front

Plants both trying to get sunlight are

Back

competition

Front

How many herbivores are in this web?

Back

3

Front

An organism that needs to eat other organisms to obtain energy is known as a:

Back

heterotroph

Front

An organism that uses sunlight and chemicals to create its own food is known as a:

Autotroph

,

Heterotroph

,

Consumer

,

Decomposer

Back

Autotroph

Front

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

Back

They show what direction the energy is flowing between organisms.

Front

How much energy is available to be passed on to the next trophic level in an ecosystem? Options: 100%, 10%, 50%, 75%

Back

10%

Front

What may happen if the snowshoe hare was removed from the food web pictured?

Back

The shrew population would decrease due to being only hawk food source.