Download Ecology Assignment #2

Ecology Assignment #2
• Mutualism – Symbiotic relationship
where both organisms benefit. Ex.
Termites and Bacteria
• Commensalism - Symbiotic
relationship where one organism
benefits, the other is unaffected
• Parasitism - Symbiotic relationship where
one organism benefits, the other is harmed.
• Symbiosis - “Living Together” when
organisms interact, live together.
• Prey - What is eaten, dies by
predator
• Predator – What eats prey,
hetereotroph
• Sampling – Gaining a small part of
the whole to learn what it is like,
(Ice cream samples at Coldstone.)
• Quadrant – Area section of a grid,
used when sampling
• pioneer species – First species in an
area after it is formed or cleared of
life.
• climax – Top of the succession,
everything is in the ecosystem
• community – Group of related populations
together.
• biotic – Living factor in the environment
• abiotic – Nonliving factor in the
environment
• limiting factors – Factors that limit
the number of organisms living in an
area. Ex. Food, Water, Oxygen
• carrying capacity – The highest
number of organisms which can live
in an area
• J Curves – A graph which curves up
Quickly and has no top, Exponential
growth
• S Curves – A curve that goes up
quickly, but reaches its carrying
capacity
• Competition – When two or more
organisms compete for resources.