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Chapter 4 Review. Ecosystem or Not. YES. YES. YES. Lake Irene. Coral reef. Oak forest. NO. YES. YES. Ocean. Vacant lot. Utility pole. Which organisms most likely belong to the same species?. People at a football game. Bacteria in your stomach. Birds in a forest.
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Ecosystem or Not YES YES YES Lake Irene Coral reef Oak forest NO YES YES Ocean Vacant lot Utility pole
Which organisms most likely belong to the same species? People at a football game Bacteria in your stomach Birds in a forest Organisms in a pond
TRUE OR FALSE True True False True
Biotic vs. Abiotic Factors Living components Non-living components BIOTIC ABIOTIC bacteria soil A dead fish temperature octopus sunlight Mr. Feeny rock Soil Temperature bacteria sunlight A dead fish octopus rock Mr. Feeny
Levels of Organization organism population community ecosystem
Evolution by Natural Selection • Organisms are more likely to survive because they: • Have certain physical ____________________ • ________________ certain physical traits • Engage in certain ________________________ traits lack behaviors T O D P A N T A I A Reproduction ADAPTATION Must happen for evolution to occur An inherited trait that increases an organism’s chance of survival & reproduction in a certain environment
German shepherds are a breed of dog that exist because of… coevolution Artificial selection resistance Natural selection
Two species changing genetically in response to long-term interactions with each other is… coevolution Artificial selection resistance Natural selection
If an insect can no longer be killed by a particular insecticide, it has developed… coevolution Artificial selection resistance Natural selection