The presence of wings in butterflies, moths, bats, and birds is an example of _______.
A. Homology
B. Homoplasy
C. An ancestral trait
D. A synapomorphy
Ans: B. Homoplasy
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A rule of thumb known as the morphospecies concept holds that:
A. morphology may vary within a species on the basis of sex. B. morphology is generally consistent within a species. C. morphology is not a reliable indicator of common species. D. morphology may vary within a species on the basis of life stage.
Pore in plasma membrane that allows water movement.
Choose the letter of the best match: A. abscisic acid B. trichomes C. aquaporin D. endodermis E. stoma
What is the defining characteristic of the hornworts?
a. large and flat gametophyte b. large and cone-shaped spores c. narrow pipe-like sporophyte d. thin tubular rhizoids
A person has a genetic disease that prevents the phospholipids in the plasma membrane of the white
blood cells from freely fusing with the other membranes within the cell. How would this disease affect phagocytosis? a. Lysosomes would not be formed. b. Facilitated diffusion would not occur. c. Lysosomes would be formed lacking hydrolytic enzymes. d. The phagocytic vacuole would not fuse with the lysosome. e. Endocytosis would not occur