Chapter 21

The first plants were ____________ a. ferns c. bryophytes b. flowering plants d. conifers

Which of the following statements is false? a. Ferns produce seeds inside sori. b. Bryophytes do not have xylem or phloem. c. Gymnosperms and angiosperms produce seeds. d. Only angiosperms produce flowers.

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

Horsetails and ferns are ________ plants. a. multicelled aquatic c. seedless vascular b. nonvascular seed d. seed-bearing vascular

Coal consists primarily of compressed remains of the __________ that dominated Carboniferous swamp forests. a. seedless vascular plants c. flowering plants b. conifers d. mosses

The ________ produce flagellated sperm. a. mosses d. monocots b. ferns e. a and \(b\) c. conifers f. a through c

A seed is a _____________ a. female gametophyte c. mature pollen grain b. mature ovule d. modified microspore

True or false? Both spores and sperm of a seedless vascular plant are haploid.