The tradeoffs that underlie antagonistic pleiotropy** are due to negative effects of _______ on survival. **hint: make sure you can define this term
A. predation
B. maximum lifespan
C. early reproduction
D. competition
E. population density
Answer: C. early reproduction
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The immediate location from which a disease-causing organism is transmitted to a host either directly or through an intermediate is called the ________.
Fill in the blank(s) with the appropriate word(s).
The letter "F" in the accompanying figure represents ____
a. complement b. MHC markers with antigen expressed to the surface of a cell
c. lysosome fusing with a phagosome d. plasma membranes fusing e. MHC recycling
Placental mammals give birth to more fully developed offspring than marsupial mammals and therefore have a greater chance of survival. This helps to explain why placental mammals from North America displaced many native South American marsupial mammals when a land bridge formed between the two continents.
a. true b. false
Fill in the blanks to complete the following statements. ? ?A disease that is not active and remains dormant until conditions are favorable for it to reproduce again is going through a period of ________
Fill in the blank(s) with correct word