ecological succession

regular progression of species replacement

the first organisms to live in a new habitat

succession that occurs where plants have not grown before

succession that occurs in areas where there has been previous growth

one organism killing another for food

relationship where one organism feeds on and usually lives on or in another organism

relationship where one species benefits and the other is neither harmed nor helped

relationship where both species benefit

when two species use the same resource

animals that eat plants or other primary producers. can break down a plant's molecules into usable compounds

both herbivores and carnivores. use simple sugars and starches stored in plants as food, but cannot digest cellulose

organisms that cause decay. release nutrients back into the environment

organisms that obtain their energy from the organic wastes and dead bodies that are produced at all trophic levels

organisms that first capture energy

organisms that consume plants or other organisms to obtain the energy necessary to build their molecules

path of energy through trophic levels

interconnected group of food chains

a diagram where each trophic level is represented by a bloc and the blocks are stacked on top of each other with the lowest tropic level on the bottom

levels based on an organism's source of energy

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Ecology Vocab 4/24

Mrs. Morgan's vocab over ecology. test April 24th

Question	Answer
ecological succession	regular progression of species replacement
pioneer species	the first organisms to live in a new habitat
primary succession	succession that occurs where plants have not grown before
secondary succession	succession that occurs in areas where there has been previous growth
predation	one organism killing another for food
parasitism	relationship where one organism feeds on and usually lives on or in another organism
commensalism	relationship where one species benefits and the other is neither harmed nor helped
mutualism	relationship where both species benefit
competition	when two species use the same resource
herbivores	animals that eat plants or other primary producers. can break down a plant's molecules into usable compounds
carnivores	animals that eat herbivores
omnivores	both herbivores and carnivores. use simple sugars and starches stored in plants as food, but cannot digest cellulose
decomposers	organisms that cause decay. release nutrients back into the environment
detrivores	organisms that obtain their energy from the organic wastes and dead bodies that are produced at all trophic levels
producers	organisms that first capture energy
consumers	organisms that consume plants or other organisms to obtain the energy necessary to build their molecules
food chain	path of energy through trophic levels
food web	interconnected group of food chains
ecological pyramids	a diagram where each trophic level is represented by a bloc and the blocks are stacked on top of each other with the lowest tropic level on the bottom
trophic level	levels based on an organism's source of energy

Created by: 1337857781

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