Biomes are defined by
A) their size
B) plants, animals, and inorganic matter
C) temperature and rainfall
D) types of animals
E) communities
Ans: C) temperature and rainfall
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The primary function of the large intestine is the
a. storage of nutrients. b. retention of water. c. manufacture of vitamin D. d. digestion of fats. e. removal of water from undigested food.
A silent mutation is a change in the DNA sequence that alters the amino acid sequence of the encoded protein but does not change its function
Indicate whether the statement is true or false
Which of the following structures allow bacteria to transfer genetic information through conjugation?
A) slime layer B) pili C) capsule D) fimbriae E) glycocalyx
Some species of Anopheles mosquito live in brackish water, some in running fresh water, and others in stagnant water. What type of reproductive barrier is most obviously separating these different species?
A) habitat isolation B) temporal isolation C) behavioral isolation D) gametic isolation E) postzygotic isolation