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Science Vocabulary

ecosystem A community of living organisms and their interrelated physical and chemical environment.
environment Total of surroundings (air, water, soil, people, wildlife) influencing each living being’s existence, including physical, biological and all other factors; the surroundings of a plant or animal, including other plants or animals, climate and location.
homeostasis The tendency of an organism or a cell to regulate its internal conditions, usually by a system of feedback controls, so as to stabilize health and functioning, regardless of the outside changing conditions.
abiotic A nonliving factor or element (e.g., light, water, heat, rock, energy, mineral).
biotic An environmental factor related to or produced by living organisms.
biomes Distinct ecological communities of plants and animals living together in a particular climate.
niche The role played by an organism in an ecosystem; its food preferences, requirements for shelter, special behaviors, and the timing of its activities (e.g., nocturnal, diurnal), interaction with other organisms and its habitat.
consumer Organisms that obtain energy by feeding on other organisms and their remains.
decomposer An organism, often microscopic in size, that obtains nutrients by consuming dead organic matter, thereby making nutrients accessible to other organisms; examples of decomposers include fungi, scavengers, rodents, and other animals.
shredder
dichotomous is a tool created by scientists to help scientists and laypeople identify objects and organisms.Keys consist of a series of choices that lead the user to the correct name of a given item.
pest
integrated pest management A variety of control methods including cultural, mechanical, biological, and chemicals to control pest population.
acid deposition A complex chemical and atmospheric phenomenon that occurs when emissions of sulfur and nitrogen compounds and other substances are transformed by chemical processes in the atmosphere and then deposited on earth in either wet or dry form.
stream order Energy and nutrient flow that increases as water moves toward the oceans [e.g., the smallest stream (primary) that ends when rivers flow into oceans].
topographic map The physical features of a place or the study and depiction of physical features, including terrain relief.
watershed The land area from which surface runoff drains into a stream, channel, lake, reservoir, or other body of water; also called a drainage basin.
wetlands Lands where water saturation is the dominant factor determining the nature of the soil development and the plant and animal communities (e.g., sloughs, estuaries, marshes).
hydrology The science that includes the study of water on Earth’s surface and beneath the Earth's surface, the movement of water, the physical and chemical properties of water, and its relationship with the living and material components of the environment.
groundwater is the water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.
mitigation The policy of constructing or creating man-made habitats, such as wetlands, to replace those lost to development.
lentic Relating to or living in still water.
lotic Relating to or living in actively moving water.
Created by: 23kubacki.mad