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| Nutrients are substances that an organism uses to build and repair the cells of its body. |
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| Pure substances that cannot be broken down into simpler substances |
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| The process of moving a nutrient back and forth. |
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| Any place where matter accumulates. |
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| When water seeps inside the soil into the ground water to refill the water in lakes and rivers. |
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| The large underground lakes in which ground water seeps into. |
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Definition
| When nitrogen gas converts into ammonia |
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Term
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Definition
| Without these bacteria, movement of nitrogen would stop almost completely. |
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Definition
| They convert ammonia into nitrites and then nitrates, which plants absorb through their roots |
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Definition
| Is in the soil and it converts nitrates back into nitrogen gas, which returns to the atmosphere |
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Term
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| The substance that makes plants go green. Plants use chlorophyll to capture the energy in sunlight and convert it into chemical energy. |
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Definition
| Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar. |
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Definition
| Cellular respiration is the process by which organisms use oxygen to break down food molecules to get chemical energy for cell functions. Cellular respiration takes place in the cells of animals, plants, and fungi, and also in algae |
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Term
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Definition
| Organisms that carry out photosynthesis. They bring the suns energy into biological systems and turn it into chemical energy that plants can use. |
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Definition
| An animal that cannot produce its own food and must eat plants or other animals for energy. |
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Term
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Definition
| Primary consumers make up the second trophic level. They are also called herbivores. They eat primary producers: plants or algae |
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Definition
| Any organism that consumes or feeds largely on primary consumers. |
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Term
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Definition
| Also known as apex predators, are usually at the top of food chains, capable of feeding on secondary consumers and primary consumers. |
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Term
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Definition
| Defined as any organism that eats only plants. |
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| An organism that eats mostly meat, or the flesh of animals. Sometimes carnivores are called predators |
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| A scavenger is an organism that mostly consumes decaying biomass, such as meat or rotting plant material. Many scavengers are a type of carnivore, which is an organism that eats meat |
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Term
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Definition
| An organism that regularly consumes a variety of material, including plants, animals, algae, and fungi. |
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Term
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Definition
| Consumers that feed on organic matter. Ex: Earthworms and maggots |
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Definition
| The remain of dead organisms and animal wastes |
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Definition
| Animals that catch on other live animals. |
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Definition
| Animals that a hunter catches is called prey. |
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Definition
| Their role is to break down organic matter and release the nutrients in the organic matter back into the ecosystems. |
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Term
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Definition
| A way of showing feeding relationships among organisms. |
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Definition
| A type of way to model the more complicated feeding relationships among organisms. It is shaped like a spider web. |
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Definition
| They show the amount of available energy the producers and consumers contain as energy flows through the ecosystem. |
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