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Cells to Ecosystems
Vocabulary Words-5th grade
| Question | Answer |
|---|---|
| Any living thing that can carry out its life on its own. | organism |
| One-celled organism. | unicellular |
| Many-celled organism. | multicellular |
| A green chemical in plant cells that allows plants to use the Sun's energy to make food. | chlorophyll |
| The smallest unit of living matter. | cell |
| A layer around the outside of a cell that controls what materials move into and out of the cell. | cell membrane |
| The gel-like liquid inside a cell. | cytoplasm |
| The largest, most visible part of a cell, which has its own membrane and is the control center of a cell's activities. | nucleus |
| A stiff structure that surrounds the cell membrane in some organisms. | cell wall |
| All the members of one species in an area. | population |
| All the living things in an ecosystem. | community |
| The path that energy and nutrients follow in an ecosystem. | food chain |
| The overlapping food chains in an ecosystem. | food web |
| A relationship between two kinds of organisms over time. | symbiosis |
| All the living and nonliving things in an environment, including their interactions with each other. | ecosystem |
| An animal that hunts other animals for food. | predator |
| A living thing that is hunted for food. | prey |
| A relationship between two kinds of organisms that benefits | mutualism |
| A relationship between two kinds of organisms that benefits one without harming the other. | commensalism |
| A relationship in which one organism lives in or on another organism and benefits from that relationship while the host organism is harmed by it. | parasitism |
| Tiny pores found in leaves and stems that allow the exchange of gases. | stomata |
| A group of chemical compunds made from carbon, oxygen, and hydrogen. | carbohydrate |
| The process in which energy is released from food (Sugar) inside a cell. | cellular respiration |
| A diagram that shows the amount of energy available at each level of an ecosystem. | energy pyramid |
| The food-making process in green plants that uses sunlight. | photosynthesis |
| The addition of harmful substances to the environment. | pollution |
| A species that has died out completely. | extinct species |
| A species that is in danger of becoming extinct. | endangered species |
| A species that is in danger of becoming endangered. | threatened species |
| The beginning of a community where few, if any, living things exist, or where earlier communities were wiped out. | primary succession |
| The final stage of sucession in an area, unless a major change happens. | climax community |
| The beginning of a new community where an earlier community already exists. | secondary succession |
Created by:
edmisonk
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