Nearly two-thirds of every vertebrate's body is composed of __________.
A. bones
B. muscle
C. carbon
D. water
D. water
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You are a parasitologist interested in roundworms affecting wolves. If you know two populations of wolves were separated long enough ago for them to speciate, would you expect their roundworms (derived from a common ancestor) to speciate as well?
What is this process called? A. yes; allopatric speciation B. yes; co-speciation C. no; dispersal D. no; natural selection
What organisms are responsible for harmful algal blooms?
a. Diatoms b. Coccolithophores c. Dinoflagellates d. Ciliates
Which fiber adds strength to connective tissue?
a. cartilage b. adipose tissue c. collagen d. loose connective tissue e. blood
You have performed a Gram stain, and upon completion of the procedure, the cells are colorless. Which of the following best explains your results?
A. The cells are gram+, and you did not decolorize using alcohol B. The cells are gram+, and you forgot to use the crystal violet C. The cells are gram-, and you forgot to use the safranin D. The cells are gram-, and you did not decolorize using alcohol