In order to retain heat, what occurs in the skin on a cold day? blood vessels of the dermis constrict. blood vessels of the dermis dilate. blood vessels of the epidermis constrict. blood vessels of the epidermis dilate.

How many possible genotypes and phenotypes are there for a single gene trait that shows dominance in any given population? A. One genotype, one phenotype B. Two genotypes, two phenotypes C. Three genotypes, two phenotypes D.

Which two main factors work together to affect an organism's phenotype? A) genes and the environment B) mutations and migration C) mutations and breeding D) artificial and natural selection

A client with a tracheostomy is alert and oriented and able to tolerate oral intake. Which action would be appropriate to reduce the client's risk of aspiration pneumonia?

What information does a linkage map provide? the number of genes located on each chromosome the distance between genes on the same chromosome the trait or traits a particular gene affects the genotype and phenotype of an organism

Which statements accurately describe long-term environmental changes? Check all that apply. Long-term environmental changes cause changes in genetic makeup. Long-term environmental changes happen suddenly with little warning.

All living things use nitrogen to A) reproduce. B) make sugar. C) make proteins. D) transport water.

Heterogeneous mixture is one that is not Uniform throughout Easily mixed together Made of two or more liquids Edible by humans

What exhibits gill slits at some stage of its development?

Domain: Kingdom: • Eukaryote • Autotroph • Simple organization

How is isotope and nucleus related