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Lando-Weaver Ch 4

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day-to-day conditions in the atmosphere
average conditions of the atmosphere over long periods of time
small
large
conditions within a small area that are different from nearby areas
a process in which certain gases trap sunlight energy in the atmosphere as heat
the ability to survive and reproduce under a range of environmental conditions
similar
different
a condition of balance
the relatively constant internal conditions that an organism maintains to stay alive
the general place where an organism lives
the range of physical and biological conditions in which a species lives, plus the way a species gets what it needs to survive & reproduce
anything needed to keep an organism alive
the rule that says that no 2 species can occupy the same niche in the same habitat at the same time
when an organism captures and feeds on another
when an organism feeds on producers
a species whose population size controls the characteristics of an environment
a relationship in which 2 species live closely together
a symbiotic relationship where both species benefit
a symbiotic relationship where one species benefits and the other is harmed
a symbiotic relationship where one species benefits and the other is neither helped nor harmed
predictable changes that happen over time in a community
a succession that starts in a place where there is no life
a succession that starts in a place where there are the remains of an earlier ecosystem
the first species to colonize a barren area
a community of species that has developed in an area & is relatively stable
a layer of dense, leafy tree tops
shorter trees and vines that form a layer in the shade of taller trees
a plant that loses its leaves during a particular season
a tree that produces seeds in cones and does not lose its leaves
a material made of decaying leaves & other organic matter
dense northern evergreen forests
a layer of permanently frozen subsoil
the sunlit upper region of lakes and oceans where photosynthesis happens
lower layers of lakes and oceans where sunlight cannot reach
organisms living in rocks or sediment at the bottom of bodies of water
habitat of the benthos
tiny plants and animals
an ecosystem where water covers the soil, or is at or near the surface for at least part of the year
a wetland formed where a river runs into the sea

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