Wednesday, September 4, 2013

Science Vocabulary for Chapter 1

We have our first Science vocabulary quiz on Friday! In case your child did not bring his/her book home, here are the words and definitions!

cell -- smallest part of a living thing

tissue -- similar cells working together

organ -- tissues working together

organ system -- organs working together

population -- members of one kind of organism in an ecosystem

community -- all the populations in an ecosystems

habitat -- a living thing's place to live in an ecosystem

competition -- the struggle among organisms for limited resources

abiotic factor -- the nonliving factors of an ecosystem, such as rocks

biotic factor -- the living factors of an ecosystem, such as plants

ecosystem -- all the living and nonliving things in an ecosystem

predator -- animals that hunt other animals for food

prey -- animals that get hunted by other animals

producers -- organisms that make their own food

consumers -- organisms that get energy by eating other living things

herbivores -- animals that eat only producers

omnivores -- animals that eat producers and consumers

carnivores -- animals that eat omnivores and herbivores

food chain -- the path energy takes as it flows from one organism to another in the form of food

food web -- the paths energy can take through multiple food chains

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