Chapter 18.3 Part A Review (7th) Question Preview (ID: 36834)


Types Of Interactions. TEACHERS: click here for quick copy question ID numbers.

The largest population that an environment can support at any given time
a) limiting factor
b) carrying capacity
c) community
d) ecosystem

A resource that is so scarce that it limits the size of a population
a) carrying capacity
b) limiting factor
c) competition
d) interactions

An organism that eats all or part of another organism
a) predator
b) prey
c) carnivore
d) scavenger

In a natural community, population sizes vary because
a) the populations are not affected by each other.
b) the populations all affect one another.
c) individuals in the populations decide to have big families.
d) the populations are able to grow without stopping.

What word is used for an organism that is eaten?
a) predator
b) carrier
c) competitor
d) prey

Why can’t populations grow without stopping?
a) Food and water are limited.
b) Food and water are everywhere.
c) Animals are not strong.
d) Air is limited.

What is an example of a limiting factor?
a) when a population is too small
b) when there’s not enough food
c) when there’s too much food
d) when there’s too much water

What is it called when individuals or populations try to use the same resource?
a) cooperation
b) competition
c) capacity
d) community

When a bird eats a worm, the worm is the
a) predator
b) prey
c)
d)

When a bird eats a worm, the bird is the
a) predator
b) prey
c)
d)

What is blending in with the background called?
a) avoidance
b) camouflage
c) community
d) color

How do the skunks and bombardier beetle save themselves?
a) camouflage and hide
b) run fast
c) spray irritating chemicals
d) freeze against shrubs

How does an animal advertise that it has a chemical defense?
a) It makes a lot of noise.
b) It tries to look innocent.
c) It stays near other similar animals.
d) It has warning colors like bright red.

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