What is the evolutionary advantage of alterations of generations?
a. It lowers nutritional requirements of diploid cells
b. It removes mutations in haploid cells.
c. It allows for the toleration of environmental stress.
d. It allows for wider distribution of habitats.
c
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In determining the evolutionary relationships of current species, one needs to ________
A) read along the tree tips: Species closer to each other are always more closely related B) read along the tree tips: Species shown at the tips are arranged in patterns reflecting which groups evolved from others C) read "back" to nodes connecting species to determine common ancestry D) None of the above is an accurate way to read phylogenetic trees.
Indels are
A) index deletions used to identify a species. B) parsimonious trees. C) transitions and transversions combined. D) small deletions or insertions that produce gaps in sequence alignments. E) the result of codon usage bias.
A cluster of sporophytes on a club moss form a cone-shaped structures called a(n) ________.
A. Antheridium B. Strobilus C. Gemmae D. Archegonium E. Protonema
Platelets
A) act in inflammation. B) are not whole cells. C) function in hemostasis. D) all of the above.