Which of the following best describes a group of Rana pipens living in a pond during the spring

months?
a. a community
b. an ecosystem
c. a habitat
d. a population
e. a niche


D

Biology & Microbiology

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The beneficial feature of economic development is that it is even across space

Indicate whether this statement is true or false

Biology & Microbiology

Tay-Sachs disease affects in 1 in 3,600 Ashkenazim births. The value of q2 is

A) 0.1. B) 0.05. C) 0.017. D) 0.0003.

Biology & Microbiology

What method of birth control is the most effective?

a. Condom b. Diaphragm c. Spermicides d. Withdrawal e. Vasectomy

Biology & Microbiology

Which technique amplifies small samples of DNA to quantities that are large enough for analysis?

A. hybridization B. PCR C. RFLP D. DNA fingerprinting

Biology & Microbiology