The overwhelming majority of animals are:
A) vertebrates.
B) invertebrates.
C) mammals.
D) sessile.
E) unicellular.
Answer: B
Biology & Microbiology
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An organ is defined as
a. a single tissue grouped together to perform a specific function. b. 2 or more tissues in specific proportions grouped together to perform a specific function. c. cells of different tissues linked together by the circulatory system to allow multiple functions. d. only the reproductive parts in plants. e. none of these.
Biology & Microbiology
Which body form of the cnidarians is sessile?
A) Jelly B) Fish C) Medusa D) Polyp
Biology & Microbiology
In a negative feedback mechanism, the _____ is a muscle or gland that functions to carry out the selected response
receptor control center effector factor
Biology & Microbiology
A person inherits mtDNA from his or her ___.
What will be an ideal response?
Biology & Microbiology