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Chapter 26: Q. 15 (page 696)

Which of the following plant structures is not a defense against herbivory?

a. thorns

b. spines

c. nectar

d. alkaloids

Short Answer

Expert verified
  • The correct answer is c. nectar

Step by step solution

01

Step 1

Thorns, spines, and alkaloids are all defensive measures produced by the plants for its defence.

02

Step 2

Nectar is sugar-rich liquid produced by the flowers. Sugars, amino acids, mineral ions, and aromatic compounds are concentrated in nectar.

03

Step 3

Nectar are produced to attract pollinators to aid in pollination. It is produced by flowers as an attractant and incentive for the animals that pollinate them.

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Most popular questions from this chapter

Some cycads are considered endangered species and their trade is severely restricted. Customs officials stop suspected smugglers who claim that the plants in their possession are palm trees, not cycads. How would a botanist distinguish between the two types of plants?

Pollen grains develop in which structure?

a. the anther

b. the stigma

c. the filament

d. the carpel

In which of the following geological periods would gymnosperms dominate the landscape?

a. Carboniferous

b. Permian

c. Triassic

d. Eocene (present)

In the northern forests of Siberia, a tall tree is most likely a:

a. conifer

b. cycad

c. Ginkgo biloba

d. gnetophyte

What are the two structures that allow angiosperms to be the dominant form of plant life in most terrestrial ecosystems?
See all solutions

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