Pretest

Question 1

Orchids are a recently evolved plant that have a novel feature known as aerial roots. What is the most likely function of an orchid's specialized roots?

Revolt · Accepted Answer

Aerial roots allow the orchid to attach itself to trees.

Question 2

Citrus trees are angiosperms and dicots. Which characteristic would citrus trees have?

Revolt · Accepted Answer

herbaceous or woody stems

Question 3

Which best explains the evolution of gymnosperm plants?

Revolt · Accepted Answer

They evolved after the seedless vascular plants.

Question 4

Mosses are classified as bryophytes. Which best describes mosses?

Revolt · Accepted Answer

Mosses are seedless plants.

Question 5

Which group of plants were the first to adapt to life on land?

Revolt · Accepted Answer

mosses

Question 6

The fossil of a plant reveals that it produced spores that were used for reproduction. Which type of plant was it?

Revolt · Accepted Answer

seedless

Question 7

Which is an innovation of gymnosperms?

Revolt · Accepted Answer

Gymnosperms are the first seed plants.

Question 8

Why are seeds an evolutionary advantage for seed plants?

Revolt · Accepted Answer

Seeds protect the plant embryo and its food source.

Question 9

Which best describes plant classification?

Revolt · Accepted Answer

Angiosperms are grouped into monocots and dicots.

Question 10

Which evolutionary adaptations helped plants succeed and spread on land?

Revolt · Accepted Answer

vascular tissue and seeds

Pretest Answers

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