Exam 5: Species Interactions, Ecological Succession and Population Control

In a desert environment, the amount of plant growth is controlled by the amount of precipitation. In this case, precipitation is a(n) ____.

(Multiple Choice)

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Question 61

Competition within a species is called ____.

(Multiple Choice)

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Question 62

Which of the following would undergo secondary ecological succession?

(Multiple Choice)

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Question 63

A(n) ____________________ shows the percentages of the members of a population surviving at different ages.

(Short Answer)

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Question 64

A(n) ____________ is a group of interbreeding individuals of the same species.

(Short Answer)

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Question 65

One disadvantage of having a dense population is that disease and parasites can spread more easily than in a less dense population.

(True/False)

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Question 66

The collective term for factors that act to limit the growth of populations is ____.

(Multiple Choice)

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Question 67

Ecological succession is generally a slow process.

(True/False)

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Question 68

Hawks typically forage for their rodent prey species during the daytime. Although owls may eat similar prey species, and live in the same area, they forage during the night. This is best described as an example of ____.

(Multiple Choice)

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Question 69

A trout population thrives within a certain range of temperatures, known as its range of tolerance for temperature.

(True/False)

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Question 70

Southern sea otters are considered a(n) ____________________ species because they influence a range of other species and have an important role in their community, including helping to control sea urchin populations to sustain kelp forests.

(Short Answer)

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Question 71

A relationship, in which one organism benefits by living on or in a member of another species, which is harmed by the interaction, best illustrates ____.

(Multiple Choice)

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Question 72

Bacteria in the digestive systems of animals that help to break down the animals' food, and in return receive a sheltered habitat and food. This is an example of mutualism.

(True/False)

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Question 73

Which of the following examples represents primary ecological succession?

(Multiple Choice)

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Question 74

The venom of a venomous snake is an example of secondary ecological succession.

(True/False)

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Question 75

When two species compete with one another for the same resource, their niches must overlap.

(True/False)

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Question 76

If a population grows rapidly, it may overshoot its carrying capacity. What do you predict will happen to the population growth curve at this point?

(Essay)

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Question 77

Cowbirds are so named because they followed the large herds of cows that were driven throughout the American west before large tracts of land were fenced. Cowbirds consumed the insects that invariably followed the herds. There was no obvious benefit or other effect on the herds. This is an example of ____________________.

(Short Answer)

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Question 78

The range of variations in its physical and chemical environment under which an ecosystem can survive is known as its range of ____________________.

(Short Answer)

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Question 79

Match the items listed below with the appropriate choice.

A tiny fish called a wrasse lives in and around the mouth of sharks. It cleans up the debris left after the shark eats flesh, and it gains protection by living in the shark's mouth.

Parasitism

Clownfish live amongst the stinging tentacles of sea anemone. They keep the sea anemone tentacles clean by eating the debris, and they gain protection from other animals by living in the tentacles.

Mutualism

Two birds, a kestrel and red-tailed hawk, hunt for rodents in the same grassy meadow.

Interspecific competition

Correct Answer:

Verified

A tiny fish called a wrasse lives in and around the mouth of sharks. It cleans up the debris left after the shark eats flesh, and it gains protection by living in the shark's mouth.

Clownfish live amongst the stinging tentacles of sea anemone. They keep the sea anemone tentacles clean by eating the debris, and they gain protection from other animals by living in the tentacles.

Two birds, a kestrel and red-tailed hawk, hunt for rodents in the same grassy meadow.

Epiphytes are plants that live on the branches or trunks of trees in the tropics. The epiphyte gains access to water and sunlight, but does not hurt or help the tree.

The viceroy is a species of butterfly that looks very similar to the monarch, which is bad-tasting to predators.

Fleas live in and on household pets.

Two red-eared slider turtles live in the same lake and consume small animals that live in it.

(Matching)

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Question 80

Showing 61 - 80 of 93

In a desert environment, the amount of plant growth is controlled by the amount of precipitation. In this case, precipitation is a(n) ____.

Competition within a species is called ____.

Which of the following would undergo secondary ecological succession?

A(n) ____________________ shows the percentages of the members of a population surviving at different ages.

A(n) ____________ is a group of interbreeding individuals of the same species.

One disadvantage of having a dense population is that disease and parasites can spread more easily than in a less dense population.

The collective term for factors that act to limit the growth of populations is ____.

Ecological succession is generally a slow process.

Hawks typically forage for their rodent prey species during the daytime. Although owls may eat similar prey species, and live in the same area, they forage during the night. This is best described as an example of ____.

A trout population thrives within a certain range of temperatures, known as its range of tolerance for temperature.

Southern sea otters are considered a(n) ____________________ species because they influence a range of other species and have an important role in their community, including helping to control sea urchin populations to sustain kelp forests.

A relationship, in which one organism benefits by living on or in a member of another species, which is harmed by the interaction, best illustrates ____.

Bacteria in the digestive systems of animals that help to break down the animals' food, and in return receive a sheltered habitat and food. This is an example of mutualism.

Which of the following examples represents primary ecological succession?

The venom of a venomous snake is an example of secondary ecological succession.

When two species compete with one another for the same resource, their niches must overlap.

If a population grows rapidly, it may overshoot its carrying capacity. What do you predict will happen to the population growth curve at this point?

The range of variations in its physical and chemical environment under which an ecosystem can survive is known as its range of ____________________.

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