| A | B |
|---|
| Asexual Reproduction | reproduction requiring only one parent |
| Atom | tiny particle of matter with a neucles contaning protonns neutrons and an electron cloud contaning electrons |
| Coldblooded | having a body temperature that can change somewhat with changes in the temperature of the environment. |
| Competition | struggle among living things to get the proper amount of food, water, and energy. |
| Coumpound | two or more elements chemically combined |
| Digestion | process by which food is broken down into simpler substances |
| Electron | negatively charged particle of an atom |
| Element | pure substance that cannot be separtated into empler substances by ordinary chemical processes |
| Excretion | process of getting rid of waste materials |
| Formula | combination of chemical symbosl that shows the elements that make u a coumpound and the number of atoms of each element in a moleculeof that coumpound |
| Homeostasis | ability of an organism to keep conditions inside its body the same even though conditions in its external environment change |
| Ingestion | taking in food; eating |
| Life span | maximum lengeth of time an organism can be expected to live |
| Matter | anything that has mass and takes up space |
| Metabolism | all chemical activities in an organism |
| Molecule | smallest particle of a coumpound having all the properties of that coumpound |
| Neutron | neutral particle in the nucleus of an atom |
| proton | positively charged particle in the nucleus of an atom |
| Reproduction | process by which living things give rise to the same type of living thing |
| Respiration | process by which living organisms take in oxygen and use it to make energy |
| Response | some action or movement of organism brought on by a stimulus |
| Sexual Reproduction | reproduction usually requiring two parents |
| Spontaneous generation | theory that states that life can spring from nonliving matter |
| Stimulus | signal to which an organism reacts; change in the environment |
| Warmblooded | having a constant body temperature |
