11) Elaborate leaves called “fronds” found in which group of : 1380903

11) Elaborate leaves called “fronds” found in which group of : 1380903.

 

 

11) Elaborate leaves called “fronds” are found in which group of seedless vascular plants?

A) green algae

B) gymnosperms

C) mosses

D) ferns

 

12) Which evolutionary plant innovation eliminated the need for sperm to swim through water to fertilize an egg, resulting in plants being truly adapted for reproduction on land?

A) independent gametophyte

B) rhizoids

C) fruit

D) pollen

 

13) Gymnosperms were the dominant form of plant life on land:

A) around the time the dinosaurs came to dominance.

B) until the discovery of fire by humans.

C) before ferns evolved.

D) about 20 million years ago.

 

14) Pollen grains contain:

A) spores.

B) eggs.

C) sperm.

D) wings.

 

15) An advantage that pollen grain evolution gave gymnosperms was:

A) less energy to produce than gametes.

B) airborne sperm transport over great distances.

C) spores with a small food supply inside.

D) eggs no longer had to swim.

16) In general, a seed is a:

A) protected plant embryo with a food supply.

B) reproductive structure that requires pollen to become active.

C) a large spore that grows into the gametophyte.

D) plant ovary.

 

17) A major difference between gymnosperm and angiosperm seeds is that:

A) gymnosperm seeds are haploid.

B) angiosperm seeds are haploid.

C) gymnosperm seeds are larger.

D) angiosperm seeds are larger.

E) gymnosperm seeds are not surrounded by fruit.

18) You are a naturalist traveling with a group of explorers in the higher elevations of a jungle. You see an unfamiliar-looking, tall, tree-like plant. It is producing seeds that are attached directly to a stem, but there appears to be no evidence of flowers associated with the seeds. To which group of plants does the tree belong?

A) hornworts

B) angiosperms

C) ferns

D) gymnosperms

 

19) Which statement about conifers such as the spruce tree is most accurate?

A) They comprise a small percentage of angiosperm species.

B) They are rare, fruit-bearing gymnosperms.

C) They comprise about three-fourths of all gymnosperm species.

D) They are the largest seedless vascular plants.

E) Male conifers produce cones while female trees produce flowers.

 

20) You are a naturalist traveling with a group of explorers in a valley of the Amazon rainforest. In a particularly wet area, you see a beautiful carpet of small plants. You notice tiny flowers on most of the plants. To which group do these plants belong?

A) hornworts

B) mosses

C) seedless vascular plants

D) gymnosperms

E) angiosperms

 

11) Elaborate leaves called “fronds” found in which group of : 1380903

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