The larva in the accompanying figure is characteristic of which group of organisms?

a. mollusks
b. cnidarians
c. nematodes


d. arthropods
e. platyhelminthes


a

Biology & Microbiology

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In meiosis, chromosomes containing sister chromatids (not homologous chromosomes) align along the center of the cell during

A. metaphase II. B. prophase II. C. prophase I. D. interphase II. E. metaphase I.

Biology & Microbiology

Sister chromatids separate during _____ of mitosis and _____ of meiosis

a. anaphase; anaphase I b. anaphase; anaphase II c. anaphase II; anaphase II d. metaphase; metaphase I e. metaphase; metaphase II

Biology & Microbiology

The biological species concept cannot be applied to fossils. Which alternate approach to identifying species would be most useful for classifying fossil organisms?

A) an approach based on use of reproductive barriers B) an approach based on genetic history C) an approach based on measurable physical traits D) an approach based on molecular biology

Biology & Microbiology

The buffering effect of the balance between carbon dioxide, bicarbonate, and carbonate is stronger in freshwater than it is in the marine environment.

Answer the following statement true (T) or false (F)

Biology & Microbiology