"Costs" associated with sexual reproduction in plants include all of the following except:a
both male and female plants or structures are required.
b. death rates are high among offspring.
c. gametes must come together in order for fertilization to take place.
d. flowers have adapted to attract pollinators.
e. offspring have a fitness equal to that of their parents.
E
You might also like to view...
An action potential begins in a neuron's trigger zone, the part of the axon adjacent to the cell body. When a neuron is at rest, this region's gated channels for sodium and potassium are ____
a. closed b. both open c. both open but inactive d. open only at gated sodium channels e. open only at gated potassium channels
Organic molecules are defined as chemical compounds that contain in distinct ratios and structures.
A. carbon and nitrogen B. carbon and oxygen C. carbon D. carbon and hydrogen E. carbon, hydrogen, and nitrogen
The development of a blood substitute would be welcomed for all of the following reasons EXCEPT which one?
A) Human blood may carry and transmit infectious agents. B) Human blood storage requires refrigeration, which might not be available in developing countries. C) The supply of donated human blood generally cannot keep up with the demand. D) Transfused blood rarely persists for more than a few days in the recipient. E) Typing and cross-matching are necessary with human blood, and the right type may not be available.
Capsules are stained using a(n)
a) negative stain. b) Gram stain. c) Schaeffer-Fulton stain. d) acid-fast stain.