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Chapter 3 Biology V
Chapter 3 Biology Vocabulary
| Question | Answer |
|---|---|
| study of interactions among organisms and between organisms and their enviroment, or surroundings. | ecology |
| a group of organisms so similar to one another that they can breed and produce fertile offspring. | species |
| groups of individuals that belong to the same species and live in the same area. | population |
| assemblages of different populations that lived and live in the same area. | communities |
| collection of all organisms that live in a particular place, together with their nonliving, or physical environment. | ecosystem |
| a group of ecosystems that have the same climate and similar dominant communites. | biome |
| organisms that capture energy from sunlight or chemicals and use it to produce food. | autotrophs |
| organisms that can capture energy from sunlight on chemicals and use it to produce food from inoganic compounds. | producers |
| process which plants and some other organisms use light energy to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches. | photosynthesis |
| when organisms use chemical energy to produce carbohydrates. | chemosynthesis |
| organisms that can rely on other organisms for their energy and food supply. | heterotrophs |
| heterotrophs | consumers |
| obtain energy by eating other plants. | herbivores |
| eat animals. | carnivores |
| eat both plants and animals. | omnivores |
| feed on plant and animal remains and other dead matter, collectively called detrites. | detritivores |
| break down organic matter. | decomposers |
| a series of steps in which organisms transfer energy by eating and being eaten. | food chain |
| the process by which water changes from liquid form to an atmospheric gas. | evaporation |
| loss of water from plant through it's leaves. | transpiration |
| all the chemical substances that an organism needs to sustain life. | nutrients |
| process to convert nitrogen gas into ammonia. | nitrogen fixation |
| other soil bacteria convert nitrates into nitrogen gas. | denitrification |
| the rate at which organic matter is created by producers. | primary productivity |
| when an ecosystem is limited by a single nutrient that is scarce or cycles very slowly. | limiting nutrient |
| when an aquatic ecosystem recieves a large input of a limiting nutrient. | algal bloom |
| when the feeding relationships among the various organisms in an ecosystem form a network of complex interactions. | food web |
| each step in a food chain or food web. | trophic level |
| a diagram that shows the relative amounts of energy or matter continued within each trophic level in a food chain or food web. | ecological pyramid |
| total amount of living tissue within a given trophic level. | biomass |
Created by:
brandon_kyle10
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