The vertical dive of a moth for cover when it hears the ultrasound chirps of an approaching bat is an example of a(n)
A. sign stimulus.
B. innate releasing mechanism.
C. kinesis.
D. supernormal stimulus.
E. fixed action pattern.
Answer: E
You might also like to view...
The end product of transcription is the production of a(n) ________
Fill in the blank(s) with correct word
To test whether the XFF signal system is similar to that of epinephrine, you microinject a nonhydrolyzable analogue of GTP into an XFF-responsive cell. If the XFF mechanism is similar to that of epinephrine, you would expect the cellular response to be
A) blocked completely. B) prolonged. C) delayed. D) 50 percent of normal. E) It is not possible to predict without knowing how many receptors are present on the cell.
In any evolving population of organisms, individual variations exist
Indicate whether the statement is true or false
You are asked to study a new species, and you are presented with a miniscule amount of DNA from that species. If you do not find a way to increase the volume of the DNA sample, you will not be able to work with the sample at all. which of these techniques amplifies DNA?
A. cladistics. B. electrophoresis. C. PCR. D. DNA fragmentation.