To conduct a phylogenetic analysis, we need an outgroup to:

A. decide which characters are analogous and which are homologous.

B. determine which character states are ancestral and which are derived.

C. determine which characteristics to include in our analysis.

D. decide which molecular data to use.

E. All of the answer options are correct.

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homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.