Food Webs
Energy Transfer
Vocabulary
Symbiosis
Misc
100
An organism that produces its own food through photosynthesis.
What is a producer?
100
The organisms on the bottom of an energy pyramid are ______.
Producers
100
The community of organisms that live in a particular area, along with their non-living surroundings. This includes biotic and abiotic factors.
What is an ecosystem?
100
A relationship between organisms where both organisms benefit.
What is mutualism?
100
An organism that is killed and eaten by another organism
What is prey?
200
These organisms include herbivores, omnivores, and carnivores.
What are consumers?
200
What percent of energy is transferred from one trophic level to the next?
What is 10%?
200
This is another word for a producer.
What is an autotroph?
200
A relationship between organisms where one organism benefits, and the other is unaffected.
What is commensalism?
200
Examples include temperature, sunlight, water, and rocks.
What are abiotic factors?
300
Every food web and food chain starts with __________.
What are producers?
300
The most numerous organisms in an energy pyramid are the ________?
What are the producers?
300
This is another word for consumer.
What is a heterotroph?
300
A relationship between organisms where one organism is negatively affected by the interaction, and the other organism benefits? (ie fleas or ticks)
What is parasitism?
300
Examples include human beings, plants, and animals.
What are biotic factors?
400
If these organisms were removed completely from a food web, the food web would collapse.
What are the producers?
400
The least numerous organisms in an energy pyramid are ______?
What are the carnivores, or tertiary consumers?
400
This is an organism that breaks down organic matter and dead materials in the soil.
What is a decomposer? For example, bacteria and fungi.
400
A mosquito feeding off of a human
What is parasitism?
400
An organism can display only a few of the characteristics and still be considered living. True or False?
False. An organism must display all the characteristics of life.
500
The arrow between one organism in another moves from: a) animal being eaten to animal eating b) animal eating to animal being eaten
Food webs show transfer of energy. The arrow starts with the animal being eaten, and points to the consumer that is getting the energy.
500
Energy that is not transferred from one trophic level to another is used for what?
The energy is used for growth, reproduction, and other life processes. It is dissipated as heat.
500
Another name for a herbivore is ______.
What is a secondary consumer?
500
A cowbird eats the ticks off of a cow's back.
What is mutualism?
500
These organisms eat both plants and animals.
What are omnivores?
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