Biology Ch. 4 Vocab Word Scramble
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Term | Definition |
Weather | day-to-day conditions of the atmosphere, including temperature, precipitation, and other factors |
Climate | average year-to-year conditions of temperature and precipitation in an area over a long period of time |
microclimate | environmental conditions within a small area that differ significantly from the climate of the surrounding area |
greenhouse effect | process in which certain gases (carbon dioxide, methane, and water vapor) trap sunlight energy in Earth's atmosphere as heat |
tolerance | ability of an organism to survive and reproduce under circumstances that differ from their optimal conditions |
habitat | area where an organism lives, including the biotic and abiotic factors that affect it |
niche | full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions |
resource | any necessity of life, such as water, nutrients, light, food, or space |
Competitive exclusion principle | principle that states that no two species can occupy the same niche in the same habitat at the same time |
predation | interaction in which one organism captures and feeds on another one |
herbivory | interaction in which one animal feeds on the producers |
keystone species | single species that is not usually abundant in a community yet exerts strong control on the structure of a community |
symbiosis | relationship in which two species live close together |
mutualism | symbiotic relationship in which both species benefit from the relationship |
parasitism | symbiotic relationship in which one organism lives on or inside another organism and harms it |
commensalism | symbiotic relationship in which one organism benefits and the other is neither helped nor harmed |
ecological succession | series of gradual changes that occur in a community following a disturbance |
primary succession | succession that occurs in an area in which no trace of a previous community is present |
pioneer species | first species to populate an area during succession |
secondary succession | type of succession that occurs in an area that was only partially destroyed by disturbances |
canopy | dense covering formed by the leafy tops of tall rain forest trees |
understory | layer in a rain forest found underneath the canopy formed by shorter trees and vines |
deciduous | term used to refer to a type of tree that sheds its leaves during a particular season each year |
coniferous | term used to refer to trees that produce seed-bearing cones and have tin leaves shaped like needles |
humus | material formed from decaying leaves and other organic matter |
taiga | biome with long cold winters and a few months of warm weather |
permafrost | layer of permanently frozen subsoil found in the tundra |
Photic zone | sunlight region near surface of water |
Aphotic Zone | dark layer the oceans below the photic zone where sunlight does not penetrate |
benthos | organisms that live attached to or near the bottom of lakes, streams, or oceans |
plakton | microscopic organsims that live in aquatic environments; include both phytoplankton and zooplankton |
wetland | ecosystem in which water either covers the soil or is present at or near the surface for at least part of the year |
Estuary | kind of wetland formed where a river meets the ocean |
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carlieanncoleman
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