Which habitat would most likely have the greatest species richness?
a. prairie
b. savanna
c. tundra
d. temperate desert
e. tropical rain forest
e
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Creighton and McClintock worked with _______ and their model system to show that homologous chromosomes physically exchange genetic information during crossing over
A. fruit flies B. peas C. corn D. tobacco
In the alveoli
A. oxygen diffuses into the blood while carbon dioxide diffuses out of the blood. B. oxygen diffuses out of the blood while carbon dioxide diffuses into the blood. C. both oxygen and carbon dioxide diffuse out of the blood. D. both oxygen and carbon dioxide diffuse into the blood. E. no exchange with the blood occurs.
Which bacterial structure may survive if temperatures applied during food preservation processes are too low?
A. Flagella B. Endospores C. Ribosomes D. Plasma membranes
Which of the following is not a characteristic of annelids?
A. They are segmented. B. They have bilateral symmetry. C. They have an incomplete digestive tract. D. They have a coelom. E. They have organ systems.