Speciation without geographic isolation is called:
a. sympatric speciation.
b. parapatric speciation.
c. saintpatric speciation.
d. autopatric speciation.
e. allopatric speciation
Ans: a. sympatric speciation.
You might also like to view...
Which one of the following best describes why genome sequencing can be complicated by repeated sequences?
A. The repeated sequences are often longer than the sequences obtained by automated sequencing. B. Automated sequencing devices interpret repeated sequences as a single sequence. C. Repeated sequences artificially inflate the genome size, leading to an exaggerated interpretation of the complexity of the organism. D. The repeated sequences are too small to gather usable sequence information from. E. All of the answer options describe why genome sequencing can be complicated by repeated sequences.
A food web is a better representation of a community than a food chain because most interactions among organisms
A) are specialized between particular individuals. B) are diffuse across a range of contexts. C) are limited to trophic levels. D) are related to phylogenetic history.
An organism in which foreign genes have been incorporated is called a:
a. recombinant organism. b. transgene. c. polymorphism d. transgenic organism. e. recombinant
When a parent herring gull arrives at the nest with food, a chick will orient to and peck at the red spot on the parent's bill. The parent will then regurgitate the food into the chick's open mouth and the chick swallows it. What is this set of behaviors an example of?
A. innate releasing mechanism B. sign stimulus C. taxis D. stimulus-response chain E. fixed action pattern