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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
community
B
limiting factor
C
carrying capacity
D
ecosystem
2) A resource that is so scarce that it limits the size of a population
A
interactions
B
limiting factor
C
carrying capacity
D
competition
3) An organism that eats all or part of another organism
A
predator
B
carnivore
C
prey
D
scavenger
4) 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
the populations are able to grow without stopping.
D
individuals in the populations decide to have big families.
5) What word is used for an organism that is eaten?
A
prey
B
carrier
C
predator
D
competitor
6) Why can’t populations grow without stopping?
A
Food and water are everywhere.
B
Food and water are limited.
C
Air is limited.
D
Animals are not strong.
7) What is an example of a limiting factor?
A
when there’s too much water
B
when there’s too much food
C
when there’s not enough food
D
when a population is too small
8) What is it called when individuals or populations try to use the same resource?
A
cooperation
B
community
C
capacity
D
competition
9) When a bird eats a worm, the worm is the
A
predator
B
prey
10) When a bird eats a worm, the bird is the
A
prey
B
predator
11) What is blending in with the background called?
A
camouflage
B
color
C
community
D
avoidance
12) How do the skunks and bombardier beetle save themselves?
A
camouflage and hide
B
spray irritating chemicals
C
freeze against shrubs
D
run fast
13) How does an animal advertise that it has a chemical defense?
A
It tries to look innocent.
B
It has warning colors like bright red.
C
It makes a lot of noise.
D
It stays near other similar animals.
*select an answer for all questions
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