Answer:
The prezygotic barrier that is, the barrier to the flow of gene prior to the formation of the zygote or prior to the process of fertilization in the given case is behavioral. As it is the behavior of the female birds, who want to mate only with the males of their own species.
While the post-zygotic barrier, that is, barrier after fertilization in the given case would have been the hybrid inviability. As all the hybrids born were males, which signifies that the female zygotes are inviable and did not survive post-fertilization.
Paramecia move by cilia. Euglena move by flagella. Ameba mive by pseudopods.
Answer:
Odor molecules landing on the cheeks would fail to elicit olfaction due to a mismatch in tonic of the stimulus.
Explanation:
