In the rain forests of Panama, scientists found a colony of tree-dwelling black ants where some individuals had red abdomens. When examined, the scientists determined that the ants with red abdomens were infected with roundworm eggs
Birds would prey on these ants, mistaking their red bellies for berries. In the interactions among the tree-dwelling black ants, the roundworms, and the birds, the roundworms are the
A) predators. B) parasites. C) hosts. D) mutualists. E) prey.
B
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The group of bacteria that can be described as being normal inhabitants of soil and water and primarily responsible for the decomposition of plant material is:
a. Rhodococcus. b. Nocardia. c. Gordonia. d. Tsukamurella.
Which of the following is incorrectly paired?
a. nucleus—coordinates cell function b. lysosomes—digest wastes c. mitochondria—produce proteins d. cytoskeleton—provides cell structure/shape
Explain why myosin II in a sarcomere can produced force only for that sarcomere contraction and not for that sarcomere extension
What will be an ideal response?
Red blood cells carry oxygen that is attached to a large, iron-containing protein called ________
Fill in the blank(s) with correct word