Plant Quiz (Class., Charact., Evol., Bryophytes, Seedless Vasc.)

During the evolution of plants there has been a transition from a dominant sporophyte plant to a dominant gametophyte plant.

• True

• False

In the alternation of generations, the haploid stage is generated by meiosis and the diploid stage is generated by

• mitosis

• fertilization

• seed production

• gametes

A seedless vascular plant’s roots are analogous to which structures in a nonvascular plant?

• cuticles

• sporangia

• stems

• rhizoids

In the process of the evolution of plants, liverworts appeared after green algae, but before seedless vascular plants. With this information, predict where liverworts would most likely be found.

• rocky coastlines

• the bottom of ponds

• moist, shady places

• dry, grassy areas

Which is the best explanation for why vascular plants can grow tall on land, and nonvascular plants remain small and bound to water?

• They occupy different niches to avoid competition.

• Osmosis is a very slow transport system for water.

• Vascular tissues are involved in their reproductive strategies.

• Nutrient availability allows vascular plants to grow tall.

Club mosses and ferns have unique characteristics that place them on a different branch of the evolutionary tree from the bryophytes. Below are listed several characteristics of club mosses, ferns, and bryophytes. Which two are characteristic of only club mosses and ferns?

1. have a form of embryo protection

2. low-growing in moist environments

3. have simple vascular systems

4. reproduce with spores

5. possess true roots and leaves

6. are the most primitive land plants

• 1 and 2

• 2 and 4

• 3 and 5

• 5 and 6

The prothallus is part of the life cycle of which group of plants?

• angiosperms

• conifers

• ferns

• mosses

What is the underground stem that produces roots in a fern called?

• archegonium

• frond

• prothallus

• rhizome

Spores are haploid cells that are produced by the diploid individuals called _________

• gametophytes

• sporophytes

• bryophytes

Alternation of generations allows for ______ reproduction

• asexual

• sexual

• both asexual and sexual