ecology (env sci) draft

Define Abiotic

• rocks and water

• Things in your front yard

• Living things

• Non-living things

Define Biotic

• living plants

• living animals

• living things

• things in your backyard

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

Giraffes have long necks that help them reach leaves high up in trees. They get all the energy they need from plants such as this. What type of consumer are giraffes.

• carnivore

• omnivore

• herbivore

• decomposer

Mushrooms often grow around dead plants such as decomposing trees. They break down these dead organisms and put energy that stores in the plant back into the ground for other plants to use. What type of consumer are mushrooms?

• carnivore

• omnivore

• herbivore

• decomposer

About how much percent of energy is passed on from one organism to to the next on a food web pyramid. 

• 100 percent of all energy gets passed
• 45 percent of all energy gets passed
• 10 percent of all energy gets passed
• 0 percent of all energy gets passed

A person who eats a chicken that ate grain is a ...

• primary producer

• primary consumer

• secondary consumer

• quaternary consumer

A bear, that eats a fish, that ate bugs, that ate algae is a...

• primary producer

• secondary consumer

• primary consumer

• tertiary consumer

If a person eats a vegetable the person is acting as a...

• primary producer

• primary consumer

• secondary consumer

• tertiary consumer

Which of the following to omnivores eat?

• plants only
• meat only
• both plants and animals
• they make their own food