What structure is indicated by the arrow in this image?
A. sporangia
B. supporting stalk
C. light sensitive hyphae
D. mycelium
E. rhizoids
A
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Which statement is true?
a. broadcast spawning produces a high percentage of surviving eggs b. broadcast spawners participate in elaborate courtship behaviors c. the offspring of broadcast spawners are vulnerable to predators d. broadcast spawning requires organisms to travel long distances
Seriously abnormal phenotypes or harmful mutations are acted against or reduced to low frequenciesby:a
beneficial mutations. b. gene flow. c. disruptive selection. d. genetic drift. e. natural selection.
Building blocks of carbohydrates are amino acids.
a. true b. false
Which of the following structures is found in a human eye, but not in an octopus eye?
A. Lens B. Optic nerve C. Retina D. Blind spot E. Cones