Which of the following is not evidence that charophytes are the closest algal relatives of plants?
A)similar sperm structure
B)genetic similarities in chloroplasts
C)similarities in cell wall formation during cell division
D)the presence of chloroplasts
E)similarities in proteins that synthesize cellulose
D)the presence of chloroplasts
Which of the following characteristics of plants is absent in their closest relatives, the charophyte algae?
A)cellulose in cell walls
B)formation of a cell plate during cytokinesis
C)sexual reproduction
D)chlorophyll b
E)alternation of multicellular generations
E)alternation of multicellular generations
In plants, which of the following are produced by meiosis?
A)diploid spores
B)haploid spores
C)diploid gametes
D)haploid gametes
E)haploid sporophytes
B)haploid spores
Microphylls are found in which plant group?
A)liverworts
B)lycophytes
C)ferns
D)mosses
E)hornworts
B)lycophytes
Which of the following is a land plant that has flagellated sperm and a sporophyte-dominated life cycle?
A)liverwort
B)hornwort
C)moss
D)charophyte
E)fern
E)fern
Suppose an efficient conducting system evolved in a moss that could transport water and other materials as high as a tall tree. Which of the following statements about “trees” of such a species would not be true?
A)Spore dispersal distances would probably increase.
B)Unless its body parts were strengthened, such a "tree" would probably flop over.
C)Individuals would probably compete more effectively for access to light.
D)Fertilization would probably be more difficult.
E)Females could produce only one archegonium.
E)Females could produce only one archegonium.