The chordate nerve cord is hollow and located ventrally
____________________ Indicate whether the statement is true or false.
F, dorsally
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In which population size did the allelic frequencies change more quickly?
a. 100 b. 1000
In which of the following zones would you most likely expect to find flounders (a type of fish)?
A) subtidal B) intertidal C) supratidal D) salt meadow
Dominance, sexual behavior, and territoriality can all be related in song birds. This is because:a
the establishment of a territory by singing tends to reduce conflict. b. the establishment of a territory encourages use of the entire habitat and regulates the size of the breeding area. c. competing species are eliminated. d. only individuals that successfully defend their territory can mate. e. females sing but males do not.
Auditory communication is the most effective form of communication in every environment inhabited by animals.
Answer the following statement true (T) or false (F)