Science Vocabulary!

Organ System A group of organs that work together to carry out a job.	Organ A group of tissues that work together to carry out a job.	Tissue A group of similar cells that work together to carry out a job.
Competition The struggle among organisms for the things they need to survive.	Habitat The place an organism lives in an ecosystem.	Cell The smallest unit of living matter.
Ecosystem The interactions among biotic and abiotic factors in an environment.	Community All the populations in a habitat	Population All the members of a species that live in a habitat.
Producer An organism that makes its own food.	Prey An animal that is hunted by other animals.	Predator An animal that hunts other animals for food.
Omnivore An animal that eats both producers and consumers.	Herbivore An animal that eats only producers.	Consumer An organism that gets energy by eating other living things.
Food web The paths energy can take through multiple food chains.	Food chain The path energy takes as it flows from one organism to another in the form of food.	Carnivore An animal that eats herbivores and omnivores.
		Energy Pyramid A model that shows the amount of energy at each level of a food chain.