Many male birds learn the full species song
a. 10 to 50 days after hatching.
b. by listening to other birds sing.
c. while in a flock of juveniles being tutored by
older males.
d. within 50 days after hatching and by listening to
other birds sing.
e. 10 to 50 days after hatching and while in a flock
of juveniles being tutored by older males.
Answer: d
You might also like to view...
After initial processing in the cytoplasm, miRNAs are imported into the nucleus where they bind to pre-mRNAs
A. True B. False
Which of the following symptoms are characteristic of someone who has AIDS? a. All of these choices
b. Enlarged lymph nodes c. Weight loss d. Chronic fatigue e. Fever
Approximately __________ percent of lung cancers
occur in smokers. a. 20 b. 40 c. 60 d. 80 e. 100
A sign is
A. measurable by health care personnel. B. a subjective indication of disease. C. malaise and body aches. D. an objective indication of disease. E. an objective indication of disease that is measurable by health care personnel.