| A | B |
|---|
| Test | An experiment to judge a hypothesis. |
| Hypothesis | A predicted outcome of an experiment. |
| Theory | A description of nature, based on many observations. |
| Predator | An organism that hunts and kills another. |
| Data | Numerical information gathered during an experiment. |
| Conclusion | Accepting or rejecting a hypothesis. |
| Classification | To group ideas, information or objects based on similarities. |
| Vertebrate | An organism with a backbone. |
| Invertebrate | An organism without a backbone. |
| Cold-blooded | An organism that cannot maintain a constant body temperature. Ex. reptiles and amphibians |
| Warm-blooded | An organism that maintains a constant body temperature. Ex. Birds and mammals |
| Tissue | A group of cells working together. Ex. muscle tissue |
| Organ | A group of tissues working together. Ex. heart, lungs, skin |
| System | A group of organs working together. Ex. Digestive, Circulatory |
| Photosynthesis | The process plants use to convert light energy into food energy. |
| Fruit | Protective covering around seeds. |
| Seed | A fertilized plant ovule capable of growing a new plant. |
| Embryo | An organism in its early development. |
| Pollen | Male reproductive cell in flowering plants. |
| Ovary | Female reproductive structure, produces eggs. (found in flowering plants and in animals). |
| Pistil | Female reproductive organ in plants. |
| Anther | Part of male reproductive structure that produces pollen. |
| Stamen | Male reproductive organ in flowers. |
| Germination | Development of a seed into a new plant. |
| Fertilization | When the male sex cell combines with the female sex cell. |
| Chromosome | DNA containing structures found in the nucleus of a cell. |
| Gene | A specific spot on a chromosome. |
| Acquired | A trait that is not part of you genetic makeup. |
| Inherited | A trait that is passed from one generation to another in the DNA. |
| Succession | A gradual change from one community of organisms to another. |
| Pioneer species | The first organisms that can survive in a new environment. |
| Climax community | The community that will survive if environmental conditions are left unchanged. |
| biodiversity | Having a large number of different species living in the same place at the same time. |
| Variation in populations | Slight changes in species that allow some to survive and reproduce more than others. |
| Embryology | Comparing the embryos of different species to determine how closely they are related. |
| Producers | Organisms that get their energy directly from the sun. |
| Consumers | Organisms that must eat to get energy (from the sun). |
