How Do Humans Benefit from Growing Plants

Q19: Sporophytes are multicellular plants that produce_ .

Q20: What group dominated the Carboniferous period and

Q21: In plants, the haploid, single-celled product of

Q22: Which of the following is NOT an

Q23: In nonvascular plants, sperm are formed in

Q25: In plants, the haploid, multicellular organism is

Q26: Which of the following groups has been

Q27: Ephedra, used by humans as a stimulant

Q28: Pollen and seeds evolved in response to<br>A)

Q29: Which of the following are important reproductive