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Biology 11

Ecology

QuestionAnswer
Ecology the study of ecosystems or the distribution and abundance of living organisms
Behavior organisms in their environment is pimarily driven by how it will affect their survival and reproductive success
Innate Behavior Unlearned behavior that is genetically controlled - instincts.
Learned Behavior Result of your experiences. Change of behavior
Symbiosis literally means "living together" There are 3 different types that exist
Parasitism Benefits one organism while harming another ex. tapeworms, ticks, fleas
Mutualism Beneficial to both organisms ex. anenome and clown fish
Commensalism Benefits one organism and the other is not affected ex. Remoras and sharks
Succession the orderly change in the makeup of a community over time
Primary succession occurs in an area not previously inhabited. first, there is a pioneer community, and they adapt and change and develop into a climax community.
Climax community is the final stage of primary succession. (Diversity in species, complex food chains, tolerate environmental conditions and changes, stable
Secondary succession occurs in an area that has been destroyed (previously inhabited) after "disaster" succession resumes until climax community produced. Causes: forest fires, human activity
Density dependent factors on population growth factors that dictate population growth based on density.
Carrying capacity the max number of individuals that the environment can support. Examples: disease, stress, predation, competition
Inter-specific competition between different species
Intra-specific competition between the same species
Density independent factors on pop growth Natural disasters (floods, fires, earthquakes, weather cycles) Abiotic
Created by: ybot
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