Chapter 21
Biology Concepts and Applications · 15 exercises
Problem 1
The first plants were ________. a. ferns b. flowering plants c. bryophytes d. conifers
4 step solution
Problem 2
Which of the following statements is false? a. Ferns produce seeds inside sori. b. Conifers do not produce fruits. c. Both gymnosperms and angiosperms produce pollen. d. Only angiosperms produce flowers.
5 step solution
Problem 3
In bryophytes, eggs are fertilized in a chamber on the ________and a zygote develops into a________ . a. sporophyte; gametophyte b. gametophyte; sporophyte c. sorus; cone
5 step solution
Problem 4
Horsetails and ferns are ________ plants. a. multicelled aquatic b. nonvascular seed c. seedless vascular d. seed-bearing vascular
3 step solution
Problem 5
Coal consists primarily of compressed remains of the________ that dominated ancient swamp forests. a. bryophytes b. conifers c. flowering plants d. seedless vascular plants
4 step solution
Problem 6
The ________ produce flagellated sperm. a. mosses b. conifers c. monocots d. eudicots
4 step solution
Problem 7
A seed is a ________. a. female gametophyte b. mature ovule c. mature pollen grain d. modified microspore
3 step solution
Problem 8
Spores of a fern or horsetail are________. a. haploid b. diploid c. triploid
4 step solution
Problem 9
Only angiosperms produce ________. a. pollen b. seeds c. fruits d. all of the above
5 step solution
Problem 10
The________ do not have xylem or phloem. a. mosses b. ferns c. monocots d. conifers
3 step solution
Problem 11
A waxy cuticle helps land plants ________. a. conserve water b. take up oxygen c. reproduce d. stand upright
4 step solution
Problem 12
Pollinators aid many ________. a. conifers b. mosses c. angiosperms d. ferns
4 step solution
Problem 13
________produce seeds on woody cones. a. Cycads b. Conifers c. Ginkgos d. Hornworts
5 step solution
Problem 14
Match the terms appropriately. ________bryophyte ________seedless vascular plant ________gymnosperm ________angiosperm a. seeds, but no fruit b. flowers and fruits \(c\) no xylem or phloem d. xylem and phloem, but no ovule
5 step solution
Problem 15
Match the terms appropriately. ________anther ________monocot ________rhizoid ________sorus ________fruit ________endosperm ________rhizome a. a type of angiosperm b. horizontal stem c. where pollen forms d. attaches moss to soil e. mature ovary f. nutritive tissue in seed g. where fern spores form
7 step solution