Ecology-Unit 1 Review

The place where an organism lives is called its __________.

• Habitat

• Community

• Niche

• trophic level

A group of organisms of one species that can be found in one area at a given time is a(n) ________

• population

• community

• ecosystem

• trophic level

Abiotic factors in an ecosystem may include which of the following: 

• plants

• bacteria

• animals

• water

Ecology is the study of interactions between organisms and their environments.

• true

• false

Only one organism can occupy a niche at one time.

• true

• false

Organisms that can make their own food are called:

• autotrophs

• heterotrophs

• omnivores

• carnivores

Food chains are more complex than food webs.

• true

• false

Holly plant --->  Lady bug ----> Bluebird ---> Eagle

 In the food chain above, the Bluebird is a _______________________. 

• secondary consumer

• primary consumer

• herbivore

• producer

Mushrooms are an example of which kind of organism?

• producer

• scavenger

• decomposer

• herbivore

My pet dog likes to eat meat but he also often enjoys nibbling on grass, garden peas, and berries. Based on what he eats, my dog is best described as

• herbivore

• carnivore

• omnivore

• scavenger