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CWLRB Ch 5 Lesson 4
Ch 5 Lesson 4 Science Quiz
Question | Answer |
---|---|
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 |