Which of the Following Groups of Organisms Completes Both Its

question 80

Multiple Choice

Which of the following groups of organisms completes both its sexual reproduction and its dispersal in water?

• A)Chara
• B)liverworts
• C)horsetails
• D)ferns
• E)angiosperms

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Definitions:

Tetanus

A bacterial disease marked by rigidity and spasms of the muscles, caused by a toxin produced by Clostridium tetani.

Sarcomere

The basic unit of a muscle's cross-striated myofibril, responsible for muscle contraction and defined by the area between two Z lines.

Actin

One of two major proteins of muscle; makes up thin filaments in myofibrils of muscle fibers. See also myosin.

Myosin

A type of protein found in muscle tissue as a thick filament that plays a key role in muscle contraction and movement.