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6th Grade-unit 6 Populations
Test Description: Unit 6 test on populations and communities
Instructions: Answer all questions to get your test result.
1) looking like an animal that is dangerous to a predator is an effective means of avoiding being eaten and is called
A
camouflage
B
cryptic coloring
C
copying
D
mimicking
2) Porcupines make it very difficult for predators to eat them because of their
A
camouflage
B
sharp quills (spines)
C
good hiding skills
D
quick speed
3) this form of camoflague allows the animal to blend in with its environment to avoid being detected
A
camouflage
B
false features
C
mimicking
D
cryptic coloration
4) When a population reaches the maximum number of organisms that the environment can support, it has reached its
A
maximum capacity
B
carrying capacity
C
maximum population
D
total population
5) All the populations of species that live in the same habitat and interact with each other are called a
A
community
B
ecosystem
C
population
D
habitat
6) Lizards, snakes, and cacti are all part of a _____________ community
A
tundra
B
rainforest
C
deciduous forest
D
desert
7) When two or more organisms try to use the same resources for food, water, shelter, and space, it is called
A
sharing
B
commensalism
C
territory
D
competition
8) Animals can use ____________ as a very effective means of escaping predators
A
eyesight
B
speed
C
playing dead
D
hiding
9) another word for living together is
A
symbiosis
B
friendship
C
population
D
community
10) When two different organisms live together in a close relationship, it is called
A
symbiosis
B
community
C
population
D
friendship
11) when 2 organisms live together but one of them is harmed, the relationship is called
A
parasitism
B
commensalism
C
mutualism
D
symbiotic
12) This type of relationship has advantages for both partners
A
mutualism
B
commensalism
C
symbiosis
D
parasitism
13) The dart frog uses __________ to deter its attackers.
A
camoflauge
B
sharp spines
C
chemicals (poison)
D
speed
14) a bee and a flower have this type of relationship
A
mutualism
B
commensalism
C
none of these
D
parasitism
15) Some examples of _____________ include ticks, lice, and mites
A
pests
B
parasites
C
animals
D
insects
16) Bacteria living in the human gut have this type of relationship with humans
A
commensalism
B
parasitism
C
none of these
D
mutualism
17) Members of different species that live in the same area are part of the same population
A
false
B
true
18) Squirrels are always social animals that perform all of their daily tasks in groups.
A
true
B
false
19) If there were no predators, the prey species could live on and on
A
true
B
false
20) spanish moss on a tree is an example of
A
none of these
B
parasitism
C
commensalism
D
mutualism
*select an answer for all questions
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