Seals and penguins both have streamlined body forms that allow them to move through water efficiently. This similarity in body shape is mostly likely the result of:
A. convergent evolution.
B. shared ancestry.
C. homology.
D. phylogeny.
E. cladistics.
A
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The organism, Phytophthora infestans, responsible for the Irish Potato Famine of 1845 and 1847 belongs to
A. Euglenozoa. B. Alveolata. C. Rhodophyta. D. Chlorophyta. E. Stramenopila.
The coefficient of relatedness indicates
A) the number of relatives with a certain trait. B) the proportion of genes that types of relatives share. C) the heritability of a trait. D) the number of genes responsible for a polygenic trait.
Which of these will respond most strongly to red light?
a. S cones b. L cones c. M cones d. rods
Grouped by some with the fungi based on molecular studies, these single-celled parasites are known to
infect insects, fish, and humans (especially those with compromised immune systems). They physically resemble spores, but they lack mitochondria.
a. amoebae b. red algae c. microsporidia d. dinoflagellates e. apicomplexans