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Ecology Vocab

Ecology The study of the interactions that take place among organisms and their environment
Population All the organisms in an ecosystem that belong to the same species
Community All the populations in an ecosystem
Habitat provides shelter and resources so that animals can survive
Niche the role of an organism in its ecosystem
Producer makes its own energy through photosynthesis (aka autotroph)
Consumer must consume other organisms to gain energy (aka heterotroph)
Biotic living
Abiotic nonliving
Limiting Factor any resource that limits how large a population can grow
Competition Organisms attempt to use an ecological resource at the same place and the same time
Resource anything necessary to survive (food, water, space, mate, shelter, oxygen, sunlight)
Predation Interaction where a consumer captures and feeds on another consumer
Predator Organism that does the killing and eating
Prey Organism that is being killed and eaten (victim)
Symbiosis Any close relationship between two species
Mutualism Both species benefit from the relationship (+/+)
Commensalism One member of the relationship benefits while the other is neither harmed nor helped. One
Parasitism One organism lives on or inside another organism and harms it (+/
Host Organism that is harmed in a parasitic relationship; the one that provides the nutrients to the parasite
Parasite Organism that gets its nutrients from the host
5 Basic Needs Oxygen, Food, Water, Living Space, Proper Temperature
Adapting to change in order to make “fit” or suitable for an environment
Adaptation any body structure or behavior that helps an organism survive
Structural Adaptation physical characteristics that help an organism survive
Behavioral Adaptation Activities performed by an organism to help it survive
Camouflage an adaptation where an animal can hide by blending in with its surroundings
Mimicry an adaptation where one organism imitates another organism
Instinct a pattern of behavior that requires no thinking
Migration an instinctive behavior in which some animals move from one place to another for a period of time
Hibernation an instinctive behavior in which some animals spend the winter in an inactive condition
Learned Behavior a behavior that an animal learns through experience
Natural Selection over time, populations change naturally. Beneficial traits become more common. Harmful traits become less common (and eventually disappear)
Selective Breeding Humans select specific organisms to breed together, in order to get certain “desirable” traits
Created by: kristyvland