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CWLRB Ch 5 Lesson 4

Ch 5 Lesson 4 Science Quiz

QuestionAnswer
What is the growth or survival of a population controlled by? limiting factor
What is an example of a nonliving limiting factor? sunlight
What is an example of a living limiting factor? grass
Predators can survive in an environment because they eat? prey (other animals)
What is it called when too many animals live in an environment and there is not enough space or food? overcrowding
What could happen if the population of a species decreased? extinction
What is it called when plants and animals change in order to survive in an environment? adaptation
Where is the harshest area for animals and plants to live? desert
What is it called when two organisms benefit from each other? mutualism
What is an example of mutualism? yucca trees and yucca moths
What is it called when one organism lives on another organism and may harm that organism? parasitism
The organisms that live on other organisms are called? parasites
Organisms that are being fed on by other organisms are called? hosts
What is an example of a parasite? tick
What is it called when one organism feeds on another organism, but doesn't cause that organism any harm? commensalism
What is an example of commensalism? fish and sea anemones
About 65 million years ago, what hit the Earth and may have caused the dinosaurs to become extinct? meteorite
How do people change their environment? breathing
Created by: keshia22790
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