Lab: Natural Selection-Standard Bio 4.2 — Unit test

Question 1

The haploid number of sphagnum moss is 19. What is its diploid number?

Revolt · Accepted Answer

38

Question 2

Beans, peaches, and tomatoes are all in the same group of plants. What do these plants have in common?

Revolt · Accepted Answer

They bear flowers and seeds.

Question 3

Which two statements correctly describe the life cycles of mosses and angiosperms?I. Both life cycles have protected seeds.II. Both life cycles involve meiosis.III. Moss fertilization occurs in the air; angiosperm fertilization occurs in a pool of water.IV. Mosses release haploid spores into the surrounding environment; angiosperms release haploid pollen grains into the surrounding environment.

Revolt · Accepted Answer

II and IV

Question 4

Consider the terms egg, sperm, and sporophyte. Which term links egg and sperm directly to sporophyte?

Revolt · Accepted Answer

fertilization

Question 5

When a plant produces sugars and transports them during translocation, which main plant tissues are at work?

Revolt · Accepted Answer

vascular and ground

Question 6

What do sclerenchyma and collenchyma have in common?

Revolt · Accepted Answer

They both function for support.

Question 7

Which of the following genetic symbols represents the sporophyte generation in the plant life cycle?

Revolt · Accepted Answer

2n

Question 8

Which best explains why angiosperms are the most diverse and successful plant group today?

Revolt · Accepted Answer

Reproduction is aided by flowers, protected seeds, and insect pollinators.

Question 9

Cacti typically grow in very dry climates with infrequent rainfall. When it does rain, the rain usually only penetrates a few inches into the soil. Which adaptation is most likely to help a cactus survive in the dry climate?

Revolt · Accepted Answer

extensive shallow roots that absorb water

Question 10

This table lists examples of plants. Plant Classifications GymnospermsAngiospermsAFlowering plants, grains, and fruit treesConifers, cycads, and gingkosBGrains, flowering plants, and gingkosFruit trees, conifers, and cycadsCFruit trees, cycads, and grainsConifers, gingkos, and flowering plantsDConifers, cycads, and gingkosFlowering plants, grains, and fruit treesWhich row (A, B, C, or D) in the table accurately categorizes the plants as gymnosperms and angiosperms?

Revolt · Accepted Answer

D

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

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