Why is it necessary for males of some species of anglerfish to parasitize the females?
What will be an ideal response?
Because food is so scarce in the deep sea, and because this area is so vast, it is very rare that an individual will encounter another individual of the same species let alone the opposite sex. Because of this, males will latch onto the first female they encounter in an effort to maximize reproductive output of their species.
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Which gametes can a RrYy plant produce?
A. RY or ry B. R or r C. RY, Ry, rY, or ry D. RrYy E. Rr or Yy
The importance of the citric acid cycle in energy production is the formation of significant amounts of ________.
Fill in the blank(s) with the appropriate word(s).
Histone deacetylase (HDAC) inhibitors are commonly used as mood stabilizers or in the treatment of neurodegenerative diseases. What effect would a HDAC inhibitor have on the target cells?
What will be an ideal response?
Researchers studying groupies in Trinidad found that guppies in streams with high predation reproduced earlier and more frequently. Which of the following is most important in driving the guppies to change their life history in face of predation?
A. The guppies are an equilibrium species. B. The guppies are an opportunistic species. C. Density-independent factors affects the guppy populations. D. Density-dependent factors affects the guppy populations. E. Sexual selection affects the guppy populations.