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Key Concepts Quiz

This activity contains 27 questions.

Question 1
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Imagine that a biologist discovers a new species of green algae that has a cuticle-like waxy coating and some rudimentary structures for containing and protecting the gametes. These clues suggest that the new species is very similar to the direct ancestors of the land plants. Where would such a find most likely occur?
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Question 2
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Which of the following is the most derived plant adaptation among those listed, and is found only in seed plants?

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Question 3
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Which correctly matches a group with an adaptation to life on land that this group pioneered? Refer to the phylogeny as you evaluate the options.

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Question 4
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A student discovers a mat of green organisms living along the edge of a stream and suspects it is a moss. To confirm that this organism is a moss and not a green alga, he should look for _____.
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Question 5
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Reproduction of plants differs from reproduction of animals in that _____.
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Question 6
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The green carpet of moss on the bank of a stream probably consists chiefly of _____.

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Question 7
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A common species of liverwort typically resembles a flat green ribbon that occasionally sprouts umbrella-shaped structures. If liverworts and mosses are very similar structurally, then the "ribbons" are _____ and the "umbrellas" are _____.
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Question 8
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At one time, many people thought that ferns were magical. How did new fern plants form if there were no seeds? This question was answered with the discovery of _____.
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Question 9
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In exploring for coal deposits, geologists sometimes look for fossil indicators: fossilized remains of Carboniferous plants. Which of the following combinations in a sample would suggest the presence of rocks that might bear coal beds?
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Question 10
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Unlike mosses and ferns, pines can thrive in arid regions because _____.
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Question 11
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Ginko biloba, a common urban shade tree, is a gymnosperm with a life cycle that is like that of the pine. Which of the following would be haploid?
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Question 12
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In angiosperms, pollen grains are released from the _____, land on the sticky _____, and develop a tube down the length of the style to the ovules.

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Question 13
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Which two features do angiosperms and gymnosperms have in common?
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Question 14
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Pollen is to sperm as _____ is to _____.
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Question 15
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A species of tree produces clusters of dense, fleshy red berries. The seeds of this tree are most likely dispersed by _____.

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Question 16
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Which of the following foods are from gymnosperms instead of angiosperms?
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Question 17
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Which combination of traits would you expect in the female and male flowers of a wind-pollinated plant?
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Question 18
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Which represents a realistic scenario of sustainable forest management?
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Question 19
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At one time, many people believed there was a close relationship between plants and fungi. Molecular evidence has now shown that fungi are more closely related to animals than to plants. What characteristic of plants and fungi probably contributed to the early theories of evolutionary relationships?
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Question 20
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Yeasts reproduce asexually through _____, and molds reproduce asexually through _____.
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Question 21
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An important drug for organ-transplant patients is derived from a fungus that until recently was placed in the imperfect fungi category. Its classification was changed when a student at Cornell University discovered _____ in the species.
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Question 22
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Corn smut is a fungal disease of corn. However, some people like to eat the corn smut fungus. Corn smut, like market mushrooms, is a basidiomycete, so it should possess _____.
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Question 23
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In basidiomycetes, the equivalent of fertilization occurs _____.
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Question 24
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Which of the following represents a case of an opportunistic fungal pathogen?
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Question 25
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In which of the following locations would you least expect to find a lichen growing?
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Question 26
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Fungi rapidly colonize leaves that fall into freshwater streams. They break down the cellulose in the leaves and absorb the glucose produced. In turn, the fungi serve as food for many insect species that consume the leaf litter—insects that cannot digest cellulose directly. The insects then provide vital food for stream fish. Taken together, these relationships suggest that fungi _____.
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Question 27
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Many people see some fungi as dangerous pathogens or destroyers of crops and food. Which of the following claims concerning the beneficial nature of fungi is true?
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