The study of interactions of organisms with each other and their environment

The living component of an ecosystem

The non-living component of an ecosystem

The path of chemical energy from the sun to the producer to a series of consumers in an ecosystem

The arrangement of several overlapping food chains

A visual representation of the chemical energy transformation from producers to consumers

A single organism of a population

A living thing

All organisms of the same species that live in the same place at the same time

Populations of different kinds of organisms that live in the same place at the same time

A large region of land with a distinct climate and certain types of plant and animal life

The part of the Earth that is able to support life

An acquired characteristic or trait that develops over multiple generations to enable an species to better survive in an environment

Relating to, characterizing, or distinguishing a species

The special action or job of an organ or a body part

To be an important factor in; help to cause

Group of organisms that can mate and produce offspring that in turn can produce more offspring

Reproduction involving two parents which produces a more diverse offspring as half of the genes passed onto the offspring come from each parent

Reproduction involving one parent. The is a clone of the parent having exactly the same genetic make-up.

The role that a species plays in a living community or ecosystem

Parts of an organism located inside of the organism

(an example is bones in a body)

Part of the organism located outside of the organism

(such as hair or nails on an organism)

A plant tissue that is a tube-like structure in plant stems that carry water from the roots to the branches and leaves

(an internal structure)

Organs that take in oxygen that is dissolved in water

(an external structure)

The variety of organisms in a specific environment

The quality of not being harmful to the environment or depleting natural resources

The place in an ecosystem where an organism lives

The environment of a small area or of a particular organism

Chemical process by which plants transform radiant energy, water and carbon dioxide to produce chemical energy (sugar) and oxygen

Energy form stored in chemical bonds

Energy that travels by waves or particles, particularly electromagnetic radiation such as heat, light and x-rays

Total kinetic energy contained in the particles of a substance

The transfer of thermal energy between substances that are at different temperatures

To move from one place to another