sciene test october 2

The behaviors and physical characteristics of species that allow them to live successfully in their environment are called

• habitats.
• limiting factors.
• biotic factors.
• adaptations.

A grackle and a sparrow try to eat from the same ear of corn in a field. This is an example of ____________________________

• mutualism

• parasitism

• competition

• predation

A grackle and a sparrow try to eat from the same ear of corn in a field. This is an example of ____________________________

• mutualism

• parasitism

• competition

• predation

Individuals whose unique characteristics are well suited for an environment tend to survive easier. This is called

• habitat

• niche

• natural selection

• predation

Adaptations are behaviors and _______________characteristics that allow organisms to live successfully in their environments.

• social

• physical

• mental

• no

The two main kinds of interactions among organisms are competition and _______________________

• death

• predation

• adaptation

An increase in predator population will result in a ___________ in the prey population.

• increase

• no change

• decrease

The role an organism plays in it's habitat is called?

• habitat

• niche

• job

• environment

When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is the

• parasite.
• prey.
• predator.
• host.

A relationship in which two species live closely together and both benefit is

• mutualism

• predation

• parasitism

• commensalism