Bryophytes are clearly adapted to live in fresh water
a. True
b. False
ANSWER: False
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____ of a trait in a population can be measured and is the proportion of the total variation in the trait (phenotypic variation) that is due to genetic differences among individuals
Fill in the blank with the appropriate word.
Why are telomeres important?
a. They keep track of the number of cell divisions that a cell undergoes. b. They provide extra nucleotides when needed during replication. c. They are needed for histone and DNA arrangement. d. They provide a site of attachment for spindles in cell division. e. They provide a buffer against the loss of more valuable DNA.
Adaptations for flight in birds include all EXCEPT
which of the following? a. sound production b. lightweight bones c. feathers d. efficient respiration e. four-chambered heart
The most stable array of species in a given area is called a(n) ____________________ community. Fill in the blank(s) with the appropriate word(s)