Of the following factors, which is/are used to classify marine organisms as plankton, nekton, or benthos? Choose all that apply.

What will be an ideal response?


-their mobility and where they live

Biology & Microbiology

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Transgenic organisms carry the transgene in

A) every cell. B) gametes only. C) somatic cells only. D) the cell in which it was originally introduced.

Biology & Microbiology

Red blood cells are formed at a rate of

a. 2?3 million per second. b. 2?3 million per minute. c. 2?3 million per hour. d. 10 million per day. e. 50 million per hour.

Biology & Microbiology

Exocrine glands:a

have products that are transported via the circulatory system. b. lack ducts. c. include goblet cells and sweat glands. d. release hormones. e. lack epithelial tissue.

Biology & Microbiology

Members of the ________ are Gram-positive bacteria that have a distinctive process for cell separation known as "snapping division."

A. Actinomycetes B. Clostridium C. Corynebacterium D. Mycoplasma E. Rhizobium

Biology & Microbiology