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Stack #4543167
| Question | Answer |
|---|---|
| herbivore | An animal that eats only plants |
| carnivore | An animal that eats only other animals |
| Respiration | How living things get energy from food using oxygen. |
| Photosynthesis | How plants make food using sunlight, water, and carbon dioxide |
| food chain | A sequence showing who eats whom in nature. |
| Autotroph | An organism that makes its own food (like plants). |
| trophic | Relating to feeding or energy levels in a food chain |
| food web | Many interconnected food chains in an ecosystem. |
| ecosystem | A community of living things and their environment. |
| biomass | The total weight of living things in an area. |
| decomposer | Organisms (like fungi or bacteria) that break down dead things. |
| primary producer | The first organisms in a food chain that make food (plants). |
| symbiosis | A close relationship between two species. |
| succesion | How ecosystems naturally change over time |
| mutualism | – A relationship where both species benefit. |
| trophic level | The position of an organism in a food chain. |
| community | All the living things in an area. |
| Biodiversity | The variety of life in an area. |
| parasitism | A relationship where one benefits and the other is harmed. |
| niche | The role or job of a species in its ecosystem. |
| Competition | When species fight for the same resources. |
| keystone species | A species that has a big effect on its ecosystem. |
| habitat | The place where an organism lives |
| Biosphere | All living things on Earth (plants, animals, and microorganisms). |
| geosphere | The solid parts of Earth (rocks, soil, and landforms) |
| hydrosphere | All the water on Earth (oceans, lakes, rivers, ice, and groundwater). |
| Atmosphere | The layer of gases surrounding Earth (air). |
| abiotic | Non-living things in an environment (like water, sunlight, soil). |
| biotic | Living things in an environment (like plants, animals, bacteria). |
| tertiary consumer | An animal that eats secondary consumers (top of the food chain). |
| symbiotic relationship | A close interaction between two species where at least one benefits. |
| secondary consumer | An animal that eats primary consumers (usually a carnivore or omnivore). |
| negative feedback loop | A process that reduces change and keeps a system stable. |
| positive feedback loop | A process that increases change, making a system more extreme. |
| nitrogen fixation | The process of changing nitrogen gas from the air into a form plants can use. |
| What sphere on Earth includes the lithosphere | Geosphere (the solid part of Earth: rocks, soil, land). |
| Cellular respiration | Cells break down sugar for energy, releasing CO₂ and water. |
| chemosynthesis | Process where some organisms make food using chemicals instead of sunlight. |
| producer | An organism (like a plant) that makes its own food using sunlight or chemicals. |
| commensalism | A type of symbiosis where one benefits and the other is not affected. |
| green house effect | keeps earth warm |
| ozone layer | protects us from the suns Uv radiation |
| magnetic field | protects us from solar wind |
| llitosphere | part of the geosphere |
| Population | Group of individuality of the same species that live in the same area |
| IntrAspecific competition | Competition between member of the same species |
| IntErspecific competition | competition between member Of a diffrent species |
| Producer | living thing that makes its own food. |
| Consumer | living thing that eats other plants or animals for food. |
| Predatation | When one animal (the predator) hunts and eats another animal (the prey) |
| Adaptation in Predatation | Special features that help predators catch prey or help prey escape. Example: Sharp claws help a tiger hunt; camouflage helps a deer hide |
| Pathogens | Tiny organisms that cause disease. Example: Bacteria, viruses, fungi. |
| Plant defense | Ways plants protect themselves from animals or disease. Example: Thorns, bad taste, or poison in leaves. |
| Examples of commensalism | One organism benefits, the other is not harmed. Examples: Barnacles on whales Birds using trees for nests |
| Ecology | The study of how living things interact with each other and their environment. |
| Energy source | The main source of energy for life on Earth is the Sun. |
| Detritivores → | Animals that eat dead plants and animals. Example: Earthworms, crabs. |
| 10% rule | Only about 10% of energy is passed from one level of the food chain to the next. Example: If plants have 100 energy, herbivores get 10, carnivores get 1. |
| Quaternary Consumer → | A top predator that eats tertiary consumers. Example: An eagle that eats a snake. |
| Nitrogen fixation | The process of changing nitrogen gas from the air into a form plants can use. Done by: Certain bacteria in the soil or plant roots. |
| Bacterial action | When bacteria break down dead things or change nutrients in the soi |
Created by:
sophia souza