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Chapter 18.3 Part A Review (7th)
Test Description: Types of Interactions
Instructions: Answer all questions to get your test result.
1) The largest population that an environment can support at any given time
A
limiting factor
B
ecosystem
C
community
D
carrying capacity
2) A resource that is so scarce that it limits the size of a population
A
competition
B
limiting factor
C
carrying capacity
D
interactions
3) An organism that eats all or part of another organism
A
scavenger
B
predator
C
prey
D
carnivore
4) In a natural community, population sizes vary because
A
the populations are able to grow without stopping.
B
individuals in the populations decide to have big families.
C
the populations are not affected by each other.
D
the populations all affect one another.
5) What word is used for an organism that is eaten?
A
prey
B
predator
C
carrier
D
competitor
6) 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.
7) 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
8) What is it called when individuals or populations try to use the same resource?
A
competition
B
capacity
C
cooperation
D
community
9) When a bird eats a worm, the worm is the
A
prey
B
predator
10) When a bird eats a worm, the bird is the
A
predator
B
prey
11) What is blending in with the background called?
A
camouflage
B
color
C
avoidance
D
community
12) How do the skunks and bombardier beetle save themselves?
A
spray irritating chemicals
B
run fast
C
freeze against shrubs
D
camouflage and hide
13) How does an animal advertise that it has a chemical defense?
A
It stays near other similar animals.
B
It has warning colors like bright red.
C
It tries to look innocent.
D
It makes a lot of noise.
*select an answer for all questions
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