11) If a hybrid unable to produce sperm because meiosis : 1380853.
11) If a hybrid is unable to produce sperm because meiosis does not proceed correctly, gene flow between the populations is restricted by:
A) ecological isolation.
B) gametic isolation.
C) temporal isolation.
D) hybrid infertility.
12) One method of protecting the genetic identity of a population is the inability of sperm to fertilize eggs of a different species. This isolating mechanism is called:
A) behavioral isolation.
B) gametic isolation.
C) ecological isolation.
D) temporal isolation.
13) Where would a researcher most likely find examples of allopatric speciation?
A) in the surface waters of Lake Michigan
B) in a forest on the west side of Lake Michigan
C) in a forest on the east side of Lake Michigan
D) in forests on the east and west sides of Lake Michigan
14) Moss A produces gametes in May, and moss B produces gametes in June. This is an example of a/an ________ isolating mechanism.
A) temporal
B) behavioral
C) post-mating
D) geographic
15) If hybrid organisms result from the mating of two different species, they may not live long. This is an example of:
A) temporal isolation.
B) hybrid inviability.
C) hybrid infertility.
D) hybrid vigor.
16) In the absence of geographic barriers, ________ speciation may occur when reproductive isolating mechanisms develop between two populations.
A) sympatric
B) allopatric
C) ecological
D) extrinsic
17) Pollen of one plant species will not germinate on the flower of another species. This is an example of:
A) temporal isolation.
B) hybrid inviability.
C) hybrid infertility.
D) gametic isolation.
18) Organisms come into sexual maturity at different times of the year. This is an example of:
A) temporal isolation.
B) hybrid inviability.
C) hybrid infertility.
D) hybrid vigor.
19) Which reproductive isolating mechanism is mostly restricted to animals?
A) ecological
B) hybrid infertility
C) temporal
D) behavioral
E) geographic
20) Which of the following would be an example of mechanical isolation?
A) Mating and courtship displays are different.
B) Sperm cannot survive in the female reproductive tract.
C) Organisms breed at different times.
D) Male and female genitalia are incompatible.
11) If a hybrid unable to produce sperm because meiosis : 1380853
