The autonomic nervous system is further divided into the central and distalsympathetic and parasympathetic neural and hormonal nervous systems.

If an organism meets all of the factors for being considered alive with the exception of the ability to reproduce, it can still be considered a biotic factor.

Density-dependent inhibition is a phenomenon in which crowded cells stop dividing at some optimal density and location. This phenomenon involves the binding of a cell-surface protein to its counterpart on an adjoining cell's surface.

Increased carbon in the oceans has caused the pH levels of the water to decrease. What is the largest impact of this ocean acidification on marine life? A. Increased coral bleaching B. Increased fish predation C.

Which occurs during transcription? DNA is copied to create a second DNA strand. mRNA codons and tRNA anticodons assemble amino acids. DNA is unzipped with the aid of DNA polymerase. mRNA is synthesized from a strand of DNA.

The process by which an adult organism arises is called

What hormone stimulates the release of aldosterone by the adrenal cortex and constricts the blood vessels?

Which is a type of star system? A. dim stars B. galaxies C. wobbling stars D. globular clusters

two population of finches live on separate islands and rarely move from one island to another this is an example of

In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sally has black hair and five fingers. Her father has red hair. Sally marries Bill who has red hair and six fingers.

Which group of elements shares characteristics with both metals and nonmetals?