From the following list, choose the characteristic that favors K-selected adaptations
A. little to no parental care
B. high mortality rate
C. late age of first reproduction
D. short life span
Ans: C. late age of first reproduction
You might also like to view...
In long-lived species of organisms, the primary advantage of delaying reproduction (late maturity) is
A) increased survivorship. B) obtaining a higher quality territory. C) increased number of mates. D) larger initial body size during the first reproduction event.
Antimicrobials known as "attachment antagonists" are particularly useful for preventing
A) bacterial protein synthesis. B) cell membrane synthesis. C) virus infection. D) nucleic acid synthesis. E) biofilm formation.
Answer the following questions true (T) or false (F)
1. Respiration is the only major process through which carbon moves from organic molecules back to the atmosphere. 2. Atmospheric N2 is useless to plants. 3. Too much nutrient runoff, particularly from nitrogen fertilizers, can cause dead zones in bodies of water.
Which of the following statements regarding water flow in vascular plants is false?
A. Water flow through xylem conduits is directly proportional to diameter. B. Flow rate is proportional to the radius of the conduit raised to the fourth power. C. Vessels are much longer and wider than tracheids, thus their rate of water transport is much lower than that of tracheids due to increased resistance. D. The rate at which water moves in plants is a function of the number of conduits and their size. E. Water must cross pits to cross from one cell to another, adding resistance to flow.