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Populations

Populations and Communities

QuestionAnswer
Ticks feeding on a deer is an example of ______. Parasitism
Describe a mutualistic relationship The organisms benefit each other
A flea drinks blood from a dog and makes the dog itch/gives the dog diseases. What symbiotic relationship is this an example of? Parasitism
What is it called when two organisms of different species live together and have a close relationship? Symbiosis
What is it called when one organism benefits from a relationship and the other is neither harmed not helped? Commensalism
Pollination is an example of _____. Mutualism
Describe parasitism One organism benefits and the other is harmed
What is an organism's niche? The role it fills in its ecosystem.
Describe predator- prey relationships Where one organism (predator) kills and eats the other organism (prey)
How do organisms compete for food? If they live in the same ecosystem and eat the same thing
What will happen to a population of organisms when there is more food available? The population will grow
True or false: symbiosis can occur between a living and a non living thing (like a rock) False. They must both be living
What will happen if an organisms food source is removed from an ecosystem? The population of that organism will decrease
What will happen if an organism that eats the same thing as another organism was removed from the food web? The population of the other organism would increase.
How does energy change as you move up an ecological pyramid? The amount of energy available decreases by a factor of 10
When organisms die, they are consumed by _____. Decomposers (bacteria and fungi)
Th smallest numbers of organisms in an ecosystem are at the _____ of the food chain and/or energy pyramid Top
Created by: smorrow801
Popular Ecology sets

 

 



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