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Population Dynamics

Across
Refers to the number of people at each different age level.
Occurs when a species disappears from all or part of its range.
Population control caused by predator-prey relationship.
Resources that can regenerate if they are alive or can be replaced by biogeochemical cycles if they are non-living.
A way of using natural resources without depleting them or causing long-term environmental harm.
Number of live births per 1000 people in a year.
Number of deaths per 1000 people in a year.
Variety of habitats, communities, and ecological processes in the living world.
Number of individuals per unit area.
Study of information about human populations.
Down
Damage to habitats caused by air, water or land population.
The total of all the variety of organisms in a specific area.
Resources that cannot be replenished by natural processes.
Number of different species in the biosphere approximately 1.5 million species are accounted for.
Sum total of all different forms of genetic information carried by all living organisms.
Organisms compete for food, water, space, sunlight, and essentials.