Question

1) What were some of the challenges that plants had as they moved onto land? (Check all that apply.)

A. They no longer had structural support of water.

B. They didn’t have water to stop dispersal of gametes.

C. They were in danger of drying out without water.

D. They were not as susceptible to predators and predators.

2) Pollen grains were a great adaptation for land plants because

A. They allowed for dispersal for gametes via wind or animals instead of water.

B. They increased desiccation of gametes.

C. They provided structural support.

D. They enabled plants to transfer nutrients from plant to plant aboveground.

3) In the alternation of generations,

A. the gametophyte is diploid.

B. the sporophyte produces spores.

C. The gametophyte generation always comes first, and ends with the sporophyte generation.

D. gametes are always produced via meiosis.

4) Which of the following groups of plants lack vascular tissue? (Check all that apply.)

A. Hornworts

B. Liverworts

C. Ferns

D. Lycophytes

E. Mosses

F. Flowering plants

G. Gymnosperms

Answer 1

Q1) correct answers:

A. They no longer had structural support of water.

C. They were in danger of drying out without water.

Q2) Answer- A. They allowed for dispersal for gametes via wind or animals instead of water.

Q3) Answer- B. the sporophyte produces spores.

Q4) Answer A. Hornworts

B. Liverworts.

E. Mosses