week 1

ecosystem

all the living and nonliving things that interact with each other in an environment

habitat

the environment where an organism lives

pollution

anything in the environment that can harm living things or damage natural resources

pollutant

a harmful substance added to Earth’s land, water, or air

producer

an organism that makes its own food

consumer

an organism that gets energy by eating other organisms

scavenger

a meat-eating animal that feeds on the remains of dead animals

carnivore

an animal that eats other animals

herbivore

an animal that eats only plants or plant products

omnivore

an animal that eats both plants and animals

food chain

the path of food energy from one organism to another in an ecosystem

food web

overlapping food chains with different pathways for the flow of food energy in an ecosystem

Slide 2: http://www.northtexasaquascapes.com/ecosystem3blabel.jpg

Slide 3: http://adm.elpasoco.com/NR/rdonlyres/217C624C-52C9-4943-9FBB-7287EA39A078/0/Habitat_2.jpg

Slide 4: http://kassandraproject.files.wordpress.com/2007/12/air-pollution-systems.jpg

Slide 5: http://i.treehugger.com/images/2007/10/24/number-air-water-soil-pollution.jpg

Slide 6: http://cropandsoil.oregonstate.edu/sites/default/files/news/RyeGrass.jpg

Slide 7: http://www.isrealli.org/wp-content/uploads/cow.JPG

Slide 8: http://www.africanbirdclub.org/countries/grf_global/Tanzania-Augur-Buzzard.jpg

Slide 9: http://www.jamsbphotos.co.uk/USERIMAGES/Carnivore(1).jpg

Slide 10: http://assets.panda.org/img/upper_yangtze_forests_105346_1_2869.jpg

Slide 11: http://mrgrassosclass.com/images/omnivore.jpg

Slide 12: http://www.jenningsk12.net/WE/peimann/Science/FoodChains/food_chain.jpe

Slide 13: http://library.thinkquest.org/J0113170/forest/images/foodweb.jpg