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please i put asd right next to the letter i got a 68% on this test so i missed 8 of em please try to find those 8 : D 1. Parasites A coevolve with their hosts. Basd are usually smaller than their hosts. C rarely kill their hosts. D All of the above 2. A tick feeding on a human is an... show more please i put asd right next to the letter
i got a 68% on this test so i missed 8 of em please try to find those 8 : D

1. Parasites
A coevolve with their hosts.
Basd are usually smaller than their hosts.
C rarely kill their hosts.
D All of the above



2. A tick feeding on a human is an example of
A competition. B mutualism.
C asdparasitism. D commensalism.



3. Which of the following is an example of mimicry?
A a harmless species that resembles a poisonous species
Basd coloration that causes an animal to blend in with its habitat
C a poisonous species that looks frightening
D similarly colored body parts on two poisonous species



4. Characteristics that enable plants to protect themselves from herbivores include
A thorns and prickles.
B sticky hairs and tough leaves.
C chemical defenses.
Dasd All of the above



5.

Refer to the illustration above. Because the two species of barnacles attempt to use the same resources, they are
A in a mutualistic relationship.
B in competition with one another.
Casd in a parasitic relationship.
D in symbiosis with one another.



6. Sea stars are strong predators of marine organisms such as clams and mussels. An ecologist studying an ocean ecosystem performed an experiment in which the sea stars were removed from the ecosystem. After the removal of the sea stars,
A the size of the ecosystem was reduced.
B food webs in the ecosystem became more complex.
Casd the ecosystem became more diverse.
D the number of species in the ecosystem was reduced.



7. The relationship between flowering plants and the bees that pollinate them is an example of
Aasd mutualism. B competition.
C commensalism. D parasitism.



8. Cattle egrets are birds that mostly feed on insects that have been disturbed by grazing cattle. The cattle are neither helped nor harmed by the presence of the egrets. This relationship is an example of
A mutualism. B competition.
Casd commensalism. D parasitism.



The diagrams below show different kinds of interactions between species.



9. Refer to the illustration above. The relationship shown in diagram 2 is
A mutualism. Basd competition.
C commensalism. D parasitism.



10. Refer to the illustration above. The relationship shown in diagram 3 is
A mutualism. B competition.
Casd commensalism. D parasitism.



1
Both organisms benefit from the activity of each other.

2

One organism benefits, and the other organism neither benefits nor suffers harm.

3

One organism obtains its nutrients from another, and the other organism may weaken due to deprivation.



11. Refer to the chart above. The table represents three types of
Aasd symbiosis. B rhythmic patterns.
C competition. D secondary succession.



12. Refer to the chart above. Which pair of organisms generally exhibits the type of relationship described in line 1 of the table?
A asdparasitic worms and the white-tailed deer that the worms infect
B bats that eat fruit and birds that eat the same fruit
C coyotes and the sheep that the coyotes eat
D hummingbirds that drink flower nectar and the flowering plants that produce the nectar



13. Refer to the chart above. The relationship described in line 2 in the table is called
A mutualism. Basd commensalism.
C parasitism. D predation.



14. commensalism : one organism ::
A mutualism : one organism
B predation : neither organism
C parasitism : both organisms
Dasd mutualism : both organisms



15.


Refer to the illustration above. An ecosystem located along the equator would probably
Aasd have higher species richness than an ecosystem at 30° north or south latitude.
B contain fewer species than an ecosystem at 30° north or south latitude.
C have a shorter growing season than an ecosystem at 30° north or south latitude.
D have less rainfall than an ecosystem at 30° north or south latitude.



16. Generally, the closer an ecosystem is to the equator,
A the longer its growing season. B the greater its species richness.
C the warmer its temperature. Dasd All of the above



17. Which of the following is not a characteristic of a stable community?
A a high species richness
Basd the ability to recover rapidly from a drought
C resistance to outbreaks of insect pests
D the absence of disturbances



18.



Refer to the illustration above. The transformation over time shown in the diagram is known as
A symbiosis. Basd succession.
C stability. D species richness.



19. Which of the following types of succession would most likely occur after a forest fire?
Aasd secondary succession B old field succession
C primary succession D climax succession



20. Secondary succession occurs
A as one g
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