Lab: Natural Selection-Standard Bio 4.2 — Unit test

Question 1

In a plant’s life cycle, how many sporophyte generations occur between one gametophyte generation and the next time that eggs and sperm are produced?

Revolt · Accepted Answer

one

Question 2

Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?

Revolt · Accepted Answer

guard cells

Question 3

Ferns are seedless plants. Below is a photograph of the rattlesnake fern, or Botrychium virginianum, which is found all across North America. Which structure is involved in the reproduction of this plant?

Revolt · Accepted Answer

spores

Question 4

What occurs in the life cycle of a moss but not in the life cycle of a gymnosperm?

Revolt · Accepted Answer

In moss, sperm and egg cells are produced after haploid spores are released from the sporophyte.

Question 5

A scientist has discovered a new plant species in the Amazon rainforest. She tells her fellow scientists that the plant she has found produces a cone. What might they say about how this plant is different from an angiosperm?

Revolt · Accepted Answer

It does not depend on insect pollination.

Lab: Natural Selection-Standard Bio 4.2 — Unit test Answers

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