Energy enters most ecosystems by the process of
A. biosynthesis.
B. respiration.
C. biogeochemical weathering.
D. photosynthesis.
E. fermentation.
D. photosynthesis.
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The two major stages of the cell cycle are
A) interphase and prophase. B) interphase and mitosis. C) mitosis and meiosis. D) mitosis and apoptosis.
Where are the sensory receptors for equilibrium located?
A) on the surface of the skin B) in the inner ear C) in the joints D) in the retina of the eye
Which of the following best reflects the concept of fetal programming?
a. A woman smokes and binge drinks during her pregnancy, and experiences a miscarriage in the first trimester. b. A woman experiences a hurricane while pregnant, and the child's genes are marked to be highly sensitive to stress. c. An active fetus creates distress for a woman while pregnant, which leads her to be less attached to child in infancy. d. A doctor selects the most genetically healthy embryos to implant in a woman's uterus following in vitro fertilization.
Throughout the story of the evolution of parasites, we frequently see a shift from parasites that seriously harmed their hosts, to those who evolve benign, nearly commensal relationships with their hosts. Evaluate why parasites are more likely to evolve
"live and let live" relationships while predators do not. What will be an ideal response?