Skeleton that is adapted to allow the body to move. Includes legs, arms, feet, and hands.

Muscle cells that contract

The assortment, or variety of living thins in an ecosystem

Information flows in one direction from DNA to RNA to proteins

Transpiration, condensation, evaporation, and precipitation are all parts of this cycle.

This type of joint are found in the hips and shoulder.

This type of muscle attaches to the skeleton by the tendons.

Part of an ecosystem that includes nonliving factors.

Body cells, not including gametes

An organism that grow and feed on a host.

These joints give you the ability to walk on uneven surfaces.

This type of muscle is under involuntary control

Organisms that get their energy by eating other living or non-living resources (like plants and animals)

The exchange of chromosome segments between homologous chromosomes during prophase I of meiosis.

Species that live in a previously uninhabited area.

The flexible connective tissue that is found between your bones.

Long strands of protein found within a muscle fiber

Humans are this type of consumer, eating both plants and animals.

A set of three nucleotides that is complementary to an mRNA codon; part of tRNA

Involuntary contractions of the smooth muscles in the walls of digestive organs.

Produces new blood cells

Place where the motor neuron attaches to the muscle

The process used by organisms in hydrothermal pools to produce carbonhydrates.

The DNA strand that contains Okazaki fragments

A feature that allows an organism to better survive in its environment.