A Typical Circulatory System Consists of

question 19

Multiple Choice

A typical circulatory system consists of

• A) a muscular pump only.
• B) a muscular pump,a fluid,and a series of conduits.
• C) blood and blood vessels only.
• D) a fluid and a series of conduits only.
• E) blood,spicules,and trachea.

---

Definitions:

Heterozygotes

Individuals having two different alleles of a particular gene, resulting in a mixture of genetic traits.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical significance testing.

Allele Frequencies

The proportion of different genetic variants of a gene in a population, denoting the genetic diversity at that specific locus.

Mutation-Selection Balance

An evolutionary principle describing the equilibrium achieved when the rate of new mutations equals the rate of removal of disadvantageous alleles by natural selection.