branch on a phylogenetic tree with more than two groups or taxa

genus of orangutans

all of the individuals of a species living within a specific area

number of organisms added in each reproductive generation

number of population members in a habitat at the same time

distribution of phenotypes in a population

phylum of animals with no true tissues, but a porous body with rudimentary endoskeleton

feedback to a control mechanism that continues the direction of a stimulus

growth toward Earth’s gravitational center

ssRNA virus with a genome that contains the same base sequences and codons found in their mRNA

protein that increases transcription

muscular, posterior elongation of the body extending beyond the anus in chordates

control of gene expression after the RNA molecule has been created but before it is translated into protein

control of gene expression after a protein has been created

extension of the brain that releases hormones produced by the hypothalamus; along with the infundibulum, it is also referred to as the neurohypophysis