How do animals show clinal variation?
What will be an ideal response?
Clinal variation results from gene flow between nearby populations when each population is adapting
to slightly different conditions. The sparrows mentioned in the text developed changes in leg length
and body size based on different environmental conditions.
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Which statement is TRUE about the fluid from the hydrothermal vents?
A) The fluid contains large amounts of oxidized inorganic materials. B) The fluid contains large amounts of reduced inorganic materials. C) The fluid contains large amounts of organic material. D) The fluid usually contains about equal amounts of organic and inorganic material.
Which type of plant has a network of cell that conduct water and solutes throughout the plant’s body?
a. nonvascular plants b. vascular plants c. gymnosperms d. angiosperms
Ribosomes exist either free in the cytoplasm or attached to the membranes of
____________________. What will be an ideal response?
What is the significance of the homeodomain?
What will be an ideal response?