Chapter 9 vocab by Daviana Herrera Gonzalez

Habitat

dh0385 — 2024-12-02 20:14:37 UTC

Natural home or environment for an organism

Ecology

dh0385 — 2024-12-02 20:16:33 UTC

The study of the relationships between living organisms, including humans, and their physical environment.

Biotic

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Living or once-living components of a community

Abiotic

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Non-living part of an ecosystem that shapes its environment

Ecological niche

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The name of the species based on the environmental condition or the position within its ecosystem

Predator

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Animal that naturally preys on others

Prey

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Animal caught and killed for food

DDT

dh0385 — 2024-12-03 02:15:59 UTC

A synthetic organic compound used as isecticide

Consumer

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Organism that eats plants or animals to obtain its energy.

Herbivore

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An organism that feeds on plants

Carnivore

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Organism that mostly eats meat to survive

Omnivore

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An organism that eats both plants and animals

Decomposer

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An organism that breaks down dead plants or animal matter.

Food Chain

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Sequence of organisms through which nutrients and energy pass as one organism eats the other

Food Web

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Explains the intricate relationship between food chains that overlap within a community.

Symbiosis

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A relationship or interaction between two organisms from different species

Mutualism

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A symbiotic relationship where both organisms benefit

Commensalism

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A relationship between two organism in which one benefits and the other is neither harmed nor benefitted.

Parasitism

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Relationship where one organism is benefitted at the expense of the other.

Cleaning associations

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Organisms that remove parasites, mucus, or dead skin from their co-operating counterparts.

Symbiont

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Organism closely associated with another, usually larger organism.

Host

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Organism that harbors another organism near or inside their body

Phytoplankton

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Microscopic alagae

Zooplankton

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Small floating organisms along phytoplankton

Biological diversity

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Varieties of living things and their interactions

Trophic level

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The position of an organism inhe food chain

Detritivore

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Organism that survives on dead animals and decaying plants

Detritus

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dead and decaying matter from plants and animals that sustain detritivores

Benthic

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bottom-living organisms that live on the ocean floor

Pelagic

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Relating to, or living in oceanic matters

Plankton

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Floating or weakly swimming organism in a body of water

Nekton

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Living organisms that are able to swim independently

DOM

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Dissolved organic matter

Pyramid of Energy

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Model that shows the flow of energy from the ecosystem

Pyramid of numbers

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Shows the total number of individual organisms in the different levels of the food chain

Exponential Population Growth

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When a population's growth per capita stays the same, regardless of population size. Meaning the population growth is faster as it gets larger

Competitive exclusion

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Two species with the same niche cannot coexist

Bioaccumulation

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An increase in the accumulation of chemicals in an organism comapred to its environment

Interspecific competition

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Organisms of different species compete for the same resources an ecosystem has to offer

Intraspecific competition

dh0385 — 2024-12-04 00:24:26 UTC

Organisms of the same species compete for the same resources in an ecosystem