The world ocean covers ________ of Earth's surface

a. 94%
b. 71%
c. 46%
d. 68%


b

Biology & Microbiology

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Based on figure 16.15, which of the following best explains why toxic shock syndrome peaked in the early 1980s?

a. Some strains of S. aureus developed resistance to methicillin. b. The drug methicillin was invented in the 1980s c. A single strain of S. aureus was responsible for the toxic shock syndrome, and women could not develop immunity to this strain d. Some strains of S. aureus were able to adapt to the new environment produced by ultra-high-absorbency tampons

Biology & Microbiology

A population's density is calculated as the

A) area over which the population is distributed. B) number of individuals within the population. C) unit of area divided by the number of individuals. D) number of individuals per unit area.

Biology & Microbiology

Why do freshwater fish die in salt water

What will be an ideal response?

Biology & Microbiology

Scottish scientist cloned Dolly from another sheep in 1997. They took an egg cell from a sheep (Mom 1) and removed and discarded the nucleus. They took an udder cell nucleus, that was diploid, from a different sheep (Mom 2). They inserted the nucleus into the egg cell and made this new cell undergo mitosis. They implanted the dividing cell into a surrogate mother (MOM 3). Several months later, Dolly was born. Dolly was actually a clone of which sheep?

a) Mom 1 b) Mom 2 c) Mom 3 d) there is not enough information given to answer this question

Biology & Microbiology