Chapter 15
Biology Today and Tomorrow with Physiology · 15 exercises
Problem 1
Which of the following statements is not correct? a. Angiosperms produce pollen and seeds. b. Mosses are nonvascular plants. c. Ferns and angiosperms are vascular plants. d. Only gymnosperms produce fruits.
4 step solution
Problem 2
Which does not apply to all seed plants? a. Vascular tissues b. Diploid dominance c. single spore type d. All of the above
5 step solution
Problem 3
Mosses have independent ___ and dependent ___. a. sporophytes; gametophytes b. gametophytes; sporophytes
4 step solution
Problem 4
Ferns and horsetails are ___ plants. a. flowering b. nonvascular c. seedless vascular d. seed-bearing vascular
4 step solution
Problem 5
Unlike ferns, conifers have __. a. vascular tissue b. seeds c. flagellated sperm d. fruits
6 step solution
Problem 6
The ___ produced in the male cones of a conifer develop into pollen grains. a. ovules b. ovaries c. megaspores d. microspores
3 step solution
Problem 7
A seed is a(n) ___. a. female gametophyte b. mature ovule c. mature pollen tube d. immature megaspore
3 step solution
Problem 8
Match the terms appropriately. $$ \text {gymnosperm} \quad \quad \text {a. gamete-producing body} $$ $$ \text {sporophyte} \quad \quad \text {b. help control water loss} $$ $$ \text {fern} \quad \quad \text {c. "naked" seeds} $$ $$ \text {moss} \quad \quad \text {d. spore-producing body} $$ $$ \text {gametophyte} \quad \quad \text {e. nonvascular plant} $$ $$ \text {stomata} \quad \quad \text {f. seedless vascular plant} $$ $$ \text {angiosperm} \quad \quad \text {g. flowering plant} $$
7 step solution
Problem 9
All fungi ___. a. are multicelled b. form flagellated spores c. are heterotrophs d. produce multicellular fruiting bodies
6 step solution
Problem 10
Fungal decomposers derive nutrients from ___. a. organic wastes and remains b. living plants c. living animals d. photosynthesis
4 step solution
Problem 11
A mushroom is ___. a. the food-absorbing part of a fungus b. the food-producing part of a fungus c. a reproductive structure that releases sexual spores d. the only part of the fungal body not made of hyphae
4 step solution
Problem 12
Human fungal infections most commonly involve ___. a. the brain b. the heart c. the digestive system d. body surfaces
4 step solution
Problem 13
A ___ is a composite organism composed of a fungus and a single-celled photosynthetic species. a. mycorrhiza b. lichen c. decomposer d. ringworm
4 step solution
Problem 14
Cell walls of fungi are composed of ___. a. cellulose b. keratin c.lignin d. chitin
4 step solution
Problem 15
Match the terms appropriately. $$ \text {decomposer} \quad \quad \text {a. food-absorbing filament} $$ $$ \text {yeast} \quad \quad \text {b. club fungus fruiting body} $$ $$ \text {mushroom} \quad \quad \text {c. fungus with flagellated spores} $$ $$ \text {chytrid} \quad \quad \text {d. mesh of fungal filaments} $$ $$ \text {hypha} \quad \quad \text {e. root-fungus partnership} $$ $$ \text {mycelium} \quad \quad \text {f. single-celled fungus} $$ $$ \text {mycorrhiza} \quad \quad \text {g. breaks down organic matter} $$
7 step solution