Ecosystems 1
The living and nonliving things and the ways they interact in an environment (ex: redwood forest, swamp, Mojave Desert)
What is an ecosystem?
On the pyramid what is the organism that eats the producer called
What are primary consumers?
The main source of energy for all ecosystems
What is sun?
Relationship between 2 organisms where both get something good.
What is mutualism?
Define structural adaptation
A physical change that helps an organism survive
An organism that uses sunlight to create its food
What is a producer
The 3 things plants need for photosynthesis
What are water, carbon dioxide and Sun?
an organism that hunts, kills, and eats other organisms
What is a predator
Relationship between 2 organisms where captures and eats another
What is predatory?
What is overpopulation
Food chains that is interconnected/overlaps in a particular ecosystem
What is a food web?
At the bottom of the food pyramid, what are those organisms called
What are producers
An animal that eats plants or other animals and does not make its own food.
What is a consumer?
The relationship between 2 organisms where they both want the same resource
What is competition?
What is the maximum number of organisms an ecosystem can support called?
What is carrying capacity
Water, sunlight and rocks are examples of
What are abiotic factors?
Plants use this process to turn light into chemical energy
What is photosynthesis?
In a food web the mushroom and bacteria are....
What are decomposers?
The relationship between a dog and a flea?
What is parasitism?
Define biodiversity
The variety of life on earth
How are populations and communities related?
Many populations make up a community
Any living or once living organisms in an ecosystem are called...
What are biotic factors?
Organisms that come from somewhere else, but start to take over the natural ecosystem
What are invasive species?
What percent of energy moves from one trophic level to the next
10%
Give two examples of a behavioral adaptation
Any changes in how an organism behaves