WHAT ARE CHAINS FOOD AND WEBS?
food chain Definition: • (fōōd chān) n. a group of living things that form a chain in which the first living thing is eaten by the second, the second is eaten by the third, and so on Sentence: • The orca is at the top of the food chain in the ocean.
food web Definition: • (fōōd web) n. a group of food chains in an ecosystem that are connected Sentence: • A food web shows how plants and animals are connected in many ways to help them all survive.
ecosystem Definition: • (ē’ • kō • sis’ • tǝm) n. all the living and nonliving things in a certain area Sentence: • A simple example of an ecosystem is a pond.
absorbs Definition: • (ǝb • sorbs) v. takes in Sentence: • A sponge absorbs water almost immediately after contact.
algae Definition: • (al’ • jē) n. simple living things that are composed of one or more cells. Most algae are plants that do not have roots or flowers. Sentence: • There are more than 7, 000 species of green algae growing in a variety of habitats.
ridges Definition: • (ri’ • jes) n. plural of ridge: a raised, narrow strip Sentence: • The ridges on the animal’s teeth helped it to chew rough meat.
predators Definition: • (pre’ • dǝ • tǝrz) n. plural of predator: an animal that hunts and kills other animals for food. Sentence: • An eagle is one of the predators of a rodent.
scavenger Definition: • (ska’ • vǝn • jǝr) n. an animal that feeds on dead animals Sentence: • A scavenger contributes to the decomposition of dead animal remains.
omnivores Definition: • (om’ • nǝ • vors’) n. plural of omnivore: an animal that eats both animal flesh and plants Sentence: • Humans, and many other mammals, are omnivores.
diet Definition: • (dī • it) n. the food and drink eaten by an animal Sentence: • Each animal has its own particular diet.