Which of the following does not use a swim bladder to regulate buoyancy?
a. mackerel
b. sea bass
c. grouper
d. sheepshead
e. butterfly fish
A
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Skin cancers typically develop in the
a. lower layers of the epidermis. b. upper layers of the dermis. c. upper layers of the epidermis. d. lower layers of the dermis. e. subcutaneous layer.
A near-uniform population distribution is the result of ____
a. social interaction b. competition for resources c. chemical avoidance d. contact inhibition e. planning
At which stage of mitosis do you first see the chromosomes appearing?
A. anaphase B. cytokinesis C. prophase D. telophase E. metaphase
The eighteenth century naturalist __________
devised a much simpler naming system that we still use. a. Carolus Linnaeus b. Louis Pasteur c. Robert Koch d. Rosa canina e. all of these