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Evolution and Ecology Review

Last updated over 1 year ago
18 questions
Note from the author:
Review evolution and ecology for the MCAS
1

Which of the following statements best describes the process of natural selection in a population?

1

Which of the following observations best supports the conclusion that two animal species evolved from a common ancestor in recent geological history?

1

The bone structures in a bat wing and a whale flipper are shown. Which of the following statements best explains the similarity between the bone structures in the bat wing and the whale flipper?

1

Katydids are insects that live on plants. Their bodies are adapted to look like leaves.

Which of the following best explains why katydids adapted this trait?

1

The diagram below shows four types of finches labeled W, X, Y, and Z. The type of finch labeled W adapted different traits over a long period of time that resulted in the three different types of finches labeled X, Y, and Z. What is the most likely reason the finches labeled X, Y, and Z adapted different traits from the finch labeled W?

1

A species of moth in England has both a light-colored form and a dark-colored form. In the mid-1800s, the percentage of dark-colored moths increased in areas where black soot from factories covered the trees. The soot in these areas has decreased in more recent times as a result of pollution laws.

Which of the following statements describes what has most likely happened to the moth populations in these areas where pollution laws have been enforced?

1

Wolves kill many elk every year and often attack old, sick, and injured members of a herd. Which of the following best describes the role of the wolves in the wolf-elk relationship?

1

The diagram below shows an energy pyramid for a lake ecosystem.Which of the following best describes the role of the perch in this energy pyramid?

1

The diagram below shows an energy pyramid for a lake ecosystem.Which of the following best describes the role of the algae in this energy pyramid?

1

The diagram below shows an energy pyramid for a lake ecosystem.Which of the following best describes the role of the zooplankton in this energy pyramid?

1

If all the trees in the area were cut down, the energy supply of which population would be most directly affected?

1

What type of relationship exists between the oriole and the rabbit?

1

What type of relationship exists between the hawk and the oriole?

1

A species of bird migrates from South America across the Atlantic Ocean to its summer breeding ground in northern Canada. The birds stop on the east coast of the United States to eat the eggs of horseshoe crabs. The migration route of these birds is shown on the map below. Which of the following changes would most threaten this species of bird with extinction?

1

There are many fungus species that live inside plant tissues. What determines whether the relationship between a fungus and a plant is commensalism, mutualism, or parasitism?

1

The New England cottontail is the only rabbit native to New England. Current populations are small and isolated because of habitat loss. Scientists are concerned about the possible extinction of the New England cottontail.
Which of the following statements explains why having small and isolated populations puts these rabbits at risk for extinction?

1

Early explorers in the United States often observed huge flocks of passenger pigeons. In the 1800s, hunters began netting and shooting the birds in huge numbers to sell as food. In 1914, passenger pigeons were declared extinct when the last one died at the Cincinnati Zoo.
Which of the following best explains why passenger pigeons became extinct?

1

Researchers have observed that the biodiversity of some mountainside rain forests is greater than the biodiversity of some lowland rain forests. Which of the following statements best explains why a high degree of biodiversity is observed in some mountainside rain forests?