Plant Structures

Question 1

Your teacher is describing a plant that bears seeds and flowers, has five flower petals, and has seeds that are enclosed by fruits. What kind of plant is he describing?

Revolt · Accepted Answer

angiosperm

Question 2

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

Revolt · Accepted Answer

herbaceous or woody stems

Question 3

Which evolutionary adaptations helped plants succeed and spread on land?

Revolt · Accepted Answer

vascular tissue and seeds

Question 4

This diagram shows how seed plants are grouped. Which is the missing label?

Revolt · Accepted Answer

Angiosperms

Question 5

Which is an innovation of gymnosperms?

Revolt · Accepted Answer

Gymnosperms are the first seed plants.

Question 6

Which best describes plant classification?

Revolt · Accepted Answer

Angiosperms are grouped into monocots and dicots.

Question 7

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 8

Which of these gymnosperms are known to be important in maintaining the balance of carbon in an ecosystem?

Revolt · Accepted Answer

redwood tree forests

Question 9

A newly discovered tree species has cone-like structures that are covered with exposed seeds. Which plant group does it most likely belong to?

Revolt · Accepted Answer

gymnosperms

Question 10

Which best explains the evolution of gymnosperm plants?

Revolt · Accepted Answer

They evolved after the seedless vascular plants.

Plant Structures Answers

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