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Ecology Terms

Gr 9 Ecology Terms\Definitions

TermDefinition
1, Ecology Study of how organisms interact with each other and their environment in a system. such as a bird eating a worm.
2, Abiotic Non-living things, physical changes, materials, air or things measured such as temperature, hours of daylight, salt.
3, Biotic Living, these factors are organisms such as plants, animals, mushrooms, bacteria, algae.
4, Ecosystem Any network of interacting living & non-living factors.
5, Natural Ecosystem A natural ecosystem is neither planned nor maintained by people. such as the Amazon rain forest.
6, Artificial Ecosystem Artificial ecosystem is planned and maintained by people. examples City, Zoo, aquarium, and Farms.
7, Species Group of similar organisms in an ecosystem that can reproduce with each other. like cheetahs are a type of tiger.
8, Population A group of members of the same species that live in the same area.
9, Community Populations of different species that live in the same area.
10, Niche All the interactions of a given species with it's ecosystem.
11, Biome Large geographical region that contains similar ecosystems.
12, Terrestrial Land-based /aquatic-water based.
13, Biosphere A part of our planet, including water, land, and air, where life exists. biomes combine to form this.
14, Herbivores An animal that only eats plants.
15, Carnaivores An animal that eats mostly meat .
16, Omnivores An animal that eats plants and meat.
17, Predators Animals that catches and feeds off of other living animals. such as a T-rex.
18, Scavengers An animal that mostly eats decaying biomass. such as Vultures.
19, Parasites Obtain there food by feeding another off another organism. such as leeches.
20, Detrivores A consumer that feeds on organic matter. such as an earth worm.
21, Decomposers A special group of consumers that break down organic matter and release the nutrients back into the ecosystem.
22, Autotroph Organisms that can make their own food from basic nutrients and sunlight. examples green plant, algae
23, Heterotroph organisms that must feed on other organisms to obtain energy
24, Food chains Show a step-by-step sequence of who eats whom in an ecosystem & the one-way flow of energy from the producer to the top level consumer.
25 Photosynthesis The process plants use to produce carbohydrates from carbon dioxide, water, and sunlight. (CO2+H20→ sugar + O2)
26, Biodiversity Number and range of different organisms in an area.
27, Toxins
28, Bioaccumulation Gradual build-up of chemicals in an organism’s body
29,
30, Extirpated Species that no longer exist in a particular region but still occurs elsewhere
31, Amphibious Born in water, breathing with gills but can live on land or in water
32, Carrying capacity Maximum number of individuals that an ecosystem can support without reducing its ability to support future generations of the same species
33, Commensalism Type of symbiosis in which one species benefits from a relationship without helping or harming the other species.
34,Mutualism A type of symbiosis in which both species benefit from the symbiotic partnership.
35, Symbiosis Close interaction between two different species in which members of one species lives in on or near members of another species
36, Environment all living things and nonliving things that exist on Earth
37, Habitat The natural home or environment of an animal, plant, or other organism.
Created by: jaykob10
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