What can paleoecologists utilize to assess which tree species existed in an area?
A) climate models
B) soil types
C) DNA from current trees
D) ancient pollen
D
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Cell plate formation
(a) occurs in plant cells but not in animal cells. (b) usually begins during telophase. (c) is a result of fusion of Golgi vesicles. (d) is all of the above.
You are examining a new animal species. You find that you can pass a line through any longitudinal plane and find equal halves. Evaluate the symmetry of this animal.
A. spherical. B. radial. C. bilateral.
If the recombination frequency between two genes is close to 50%, what could be true about the location of the two genes? (Select all that apply.)
A) They are on nonhomologous chromosomes. B) They are far apart on the same chromosome. C) They are very close together on the same chromosome. D) None of the choices could be true.
In triploblastic organisms, the inner layer of cells forms the muscles of the body wall
1.True 2.False