The California populations of the Northern elephant seal are descendants from a very small population of seals that was overhunted in the 1890s. Heterozygosity in this population would be expected to be ________ due to ________.
A. slight; the founder effect
B. great; assortive mating
C. great; disruptive selection
D. slight; a bottleneck effect
E. great; a bottleneck effect
Answer: D
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All cells have what three following things
a. Mitochondria, enzymes, and nucleic acid b. Cell membrane, cytoplasm, DNA c. Bacteria, microtubules, organelles d. RNA, DNA, nucleus.
Total species diversity, or species richness, of individual communities is referred to as ________ diversity
Fill in the blank(s) with correct word
Instinct is another name for innate behavior. Indicate whether the statement is true or false
Suppose that you discover a fungus that is associated with plant roots, with hyphae that actually penetrate the root cells, and it produces tree-like structures within the root cells. Into which group should you classify this fungus?
a. Chytridiomycota b. Basidiomycota c. Zygomycota d. Glomeromycota