Chapter 3 Science Study Guide
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An ecosystem- A system where living and non-living things interact
Habitat- (pg. 82)
Niche-(pg. 82)
Sunlight- The main energy source for life on Earth
Producers- Be able to give examples of producers
Know what a food web looks like
Decomposer- An organism like an insect that eats the remains of animals
Omnivore- An animals that eats plants and animals
Know that nutrients and minerals travel through a food chain
Know the place of the freshwater snail in the swamp food chain
Know how decaying organisms in a swamp help create new organisms
Know about the role of zooplankton in a food web (pg. 92) (Is it a producer or a
consumer?)
- Be able to explain the difference between the niche and the habitat of a desert
roadrunner (Pg. 82)
- Be able to explain what a food web is and how it is different from a food chain (Pg. 8889)