Lab: Interdependence of Organisms Answers

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Some flowering plants are pollinated by honeybees. At some time in the past, honeybees evolved the ability to see ultraviolet radiation. Some flowers have evolved to produce ultraviolet markers on their petals that direct honeybees to the reproductive parts of the flower. What is this an example of?

A
mutualism
B
commensalism
C
predation
D
coevolution
3

As human travel increases, the number of introduced species likely

A
decreases.
B
increases.
C
stays the same.
D
is eliminated.
8

Which is most likely to help an introduced species become invasive?

A
a low reproductive rate
B
big difference between original and new habitats
C
a strong predator in new habitat
D
great tolerance to a wide range of conditions
10

What is a snake that eats a mouse an example of?

A
predation
B
competition
C
mutualism
D
parasitism
11

Why are invasive species dangerous to the environment?

A
They pollute the environment.
B
They are always predators.
C
They threaten biodiversity.
D
They bring abiotic factors.
12

When an insect touches the bristles on the lobes of a Venus flytrap, the lobes close quickly, engulfing the insect. The movement of the insect inside the lobes causes the flytrap to secrete digestive enzymes that kill the insect. Which type of relationship does this describe?

A
competition
B
parasitism
C
predation
D
commensalism
13

Squirrels and chipmunks compete for the same food source. What is most likely to happen to the degree of competition between these two species if their food became scarce?

A
decrease
B
increase
C
stay the same
D
disappear
14

Legumes, a type of plant, require Rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen. Rhizobia use the legumes for food. What would most likely happen to the legume population if Rhizobia suddenly became extinct?

A
become extinct
B
learn to fix nitrogen
C
benefit in the long run
D
stay the same
15

A symbiotic relationship in which one species benefits and the other is harmed is known as

A
mutualism.
B
predation.
C
commensalism.
D
parasitism.
17

Which term refers to a change in one species that results from a change in another species that it interacts with?

A
coevolution
B
commensalism
C
symbiosis
D
interaction
18

What is the name that is given to a symbiotic relationship in which both species benefit?

A
commensalism
B
mutualism
C
parasitism
D
predation

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