In many damselfly species, males use specialized appendages to remove from the fe-male reproductive organ sperm from previous copulations with other males. How do you think this behavior most likely evolved?
a. via intersexual selection good genes model
b. via intersexual postcopulatory selection
c. via intrasexual sexual selection via cuckoldry
d. via intrasexual postcopulatory selection
e. C and D.
D
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Body parts that are similar but have evolved in different lineages due to environmental pressures are called ________
a. morphological convergences b. homologous structures c. analogous structures d. vestigial structures e. morphological divergences
The sporophyte is the dominant and conspicuous generation in
a. the fern allies and ferns. b. gymnosperms. c. flowering plants. d. all of the above.
Which person is most likely using implicit memory?
a. Sylvia, who recalls the cranial nerves for a test b. Connor, who recognizes the face of someone in a crowd c. Alexis, who remembers the smell of her grandmother’s kitchen d. Fabio, who tries to remember his father’s birthday e. Dan, who plays the guitar
As with all organic molecules, carbon forms the backbone of the molecules that comprise plant tissue. This carbon comes from
A. the soil, and was taken up through the plant's roots. B. the organic molecules produced by aerobic cellular respiration. C. the atmosphere as CO2. D. the splitting of water molecules.