Symbiosis
both organisms benefit
mutualism
Just a strait line of organisms
food chain
Any required factor that holds back the growth of a population
limiting factor
Biotic means…
something that is living or once living
All of the living and non-living things in a particular area
ecosystem
One organism lives in another and harms it
parasitism
Organisms scattered around
food web
The struggle between organisms to get a resource
competition
Abiotic means…
something that has never lived
All the organisms of one species in the same area
populations
One organism benefits while the other does not an is not affected
Commensalism
What are food webs and chains?
Diagrams that show how energy flows between organisms living in the same ecosystem. In simpler terms, they show who eats who.
True or False:
Competition only happens between animals.
False
Biotic example…
tiger, owl, dead lion, etc
made up of all the populations in a particular area
community
One organism eats another
predation
true or false,
all food chains start with the sun
true
Why is competition considered harmful to both organisms involved?
It limits how much of the resource they are able to use.
Abiotic example…
sun, water, air, etc
A group of similar living things that can mate with each other and produce offspring that can also mate and produce.
species
1. Happy - happy
2. happy - sad
3. Happy - neutral
4. Eat/teeth - dead
1. Mutualism
2. Parasitism
3. Commensalism
4. Predation
Does the arrow in a food web point to the predator or the prey?
Predator
Competition example
two male deer competing for mates
Abiotic or biotic:
moss
biotic
One living thing
an organism