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What is an ecosystem? All the living and nonliving things that interact in an area.
What is habitat? The place where an organism lives and that provides the things it needs.
What is a biotic factor? A livin gpart of an ecosystem.
What is a abiotic factor? A nonliving part of an ecosystem.
What is photosynthesis? The process in which organisms use water along with sunlight and carbon dioxide to make food.
What is a species? A group of organisms that are similar and reproduce to produce fertile offspring.
What is a population? All the members of one species in a particular area.
What is a community? All the different populations that live together in an area.
Waht is ecology? The study of how living thing interact with each other and their environment.
What is population denisty? The number of individuals in a specific area.
What is an estimate? An approximation of a number based om reasonable assumptions.
What is birth rate? The number of births in a population in a certain amount of time.
What is death rate? The number of deaths in a population in a certain amont of time.
What is immigration? Moving into a population.
What is emigration? Leaving a population.
What is a limiting factor? An environmental factor that prevents a population from increasing.
What is carrying capacity? The largest population that an area can support.
What is natural selection? Process by which individuals that are better adapted to the environment are more likely to survive and reproduce than others.
What is adaptation? The behaviors and physical characteristics of species that allow them to live successfully in their environment.
What is a niche? An organism's particular role in an ecosystem or how it makes its living.
What is competition? The struggle between organisms for the limited resources in a habitat.
What is predation? An interaction in which one organismckills and eats another.
What is a predator? The organism that does the killing in predation.
What is a prey? An organism that is killed in predation.
What is symbiosis? A close relationship between species that benefits at least one of the species.
What is mutualism? A relationship between 2 species in which both species benefit.
What is commensalism? A relationship between 2 species in which 1 species benefits and the other in neither helped nor harmed.
What is parasitism? A relationship in which one organism lives on or inside another and harms it.
What is a parasite? The organism that benefits by living on or in a host in parasitism.
What is a host? The organism that a parasite lives in or on in parasitism.
Explain how water and sunlight are 2 abiotic factors that are important to all organisms. All living thing require water and in places without sulight, plants cannot clothes.
List the terms in order from smallest to the largest: population, orgaism, ecosystem, and community. Organism, population, community, ecosystem.
List 4 ways or determining population size. Direct observation, indirect observation, sampling, mark-and-recapture studies.
A prairie dog, a hawk, and a badger are all part of the same, what? Community
List some limiting factors for populations. Food, space, weather.
What type of interaction do both species benefit? Mutualism.
Created by: Bekkahroggy