A long day plant will flower when exposed to short nights
____________________ Indicate whether the statement is true or false.
T
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________ are responsible for the transmission of a signal between two adjacent nerve cells.
Fill in the blank(s) with the appropriate word(s).
Inhalation
a. causes the diaphragm to contract and move downwards. b. is an active process. c. causes the rib cage to move upward. d. causes the thoracic cavity to expand. e. does all of these
Altruistic behavior is
a. selfish. b. sexually directed behavior. c. self-sacrificing behavior. d. aggressive behavior. e. nonreactive, such as freezing at the sign of danger.
What two-word phrase is an explanation of a set of related observations based on well-supported hypotheses from a number of different, independent lines of research?
What will be an ideal response?