Which of the following is not an adaptation of conifers to dry or cold conditions?
A. conical shape of tree
B. scalelike or needle-shaped leaves
C. flexible branches
D. waxy cuticle
E. production of resin
E. production of resin
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Which is the best example of the results of a
neutral mutation?
a. A new wing color evolves that enables a butterfly to better hide. b. A new wing color evolves that makes a butterfly more noticeable. c. Larger muscles evolve that allow a rabbit to run faster. d. A new wing color evolves that doesn’t affect a butterfly’s ability to hide or make it more noticeable. e. Larger eyes develop that enable a rat to see better at night.
Which of the following would be the LEAST
satisfactory organism for genetic research?
a. humans b. bacteria c. mice d. fruit flies e. pea plants
Which figure below represents meiosis I for an organism with a diploid number of 4?
A. A
B. B
C. C
D. D
Why is snail fever a common name for infections with Schistosoma?
A) The worms look like snails. B) They are contracted by eating snails. C) Snails are the intermediate host. D) Physical contact with snails may result in infection. E) The larval stage looks like a snail.