Which of the following is the main form of nitrogenous wastes released by aquatic invertebrates to
their environment?
a. nitrate
b. ammonia
c. uric acid
d. amino acids
e. urea
B
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Soil particles composed of decomposing organic matter are called ____
a. sand b. humus c. silt d. clay e. mineral
The transmission of DNA to offspring is referred to as ____
a. homeostasis b. development c. growth d. reproduction e. inheritance
Fish in a local lake have a mixture of brown and green scales and are found throughout the lake. Over a 5-year period, the lake develops more plant growth and an exotic predatory frog is introduced
What change would you expect to see in the original fish population? A) The fish with green scales will become more common. B) Brown-scaled fish will become more common. C) The fish will develop to resemble the introduced frog. D) No visible changes will occur in the fish population. E) Fish that prefer the unvegetated areas of the lake will become more common.
________ are made in replicating the lagging strand of DNA, but are not made during leading strand DNA replication.
A. pyrophosphates B. nucleases C. DNA polymerases D. Okazaki fragments E. primers