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Honors Biology chapter 4 & 5
Terms in this set (23)
Population growth starts out slowly and begins to grow rapidly which is called _____________
When factors cause population to slow, they make a ___________ shaped curve while graphing.
When exponential growth is graphed, it causes a ___________ shaped curve
Sunlight, weather, disease, food, and space are examples of what?
The number of organisms that an environment can support indefinitely
Once a population reaches carrying capacity, the growth rate will slow because supplies _________
Rapid life history pattern is common in __________ environments.
Organisms with rapid life history patterns are (small/big) and mature (quickly/slowly)
Slow lif history patterns are common in _______ environments
Organisms with slow life history patterns mature (slowly/quickly) and are (long/short) living
How a species is spread out
The 3 dispersal patterns are_______,______, and _______
clumped, random, and uniform
these factors increase as the population increases, like a disease.
density dependent factors
These factors affect any population no matter what size, like a natural disaster.
density independent factors
Organisms are limited by (not socializing, interactions) within the community
When the predator/prey relationship is a cycle. The more prey the predator eats, the less prey is available.
When the populatoin increases and they must compete for food, water, and space.
When the populatoins or organisms become crowded and individuals become stressed. Causes increased disease, aggression, and decreased care for the young.
The study of human population size, density and distribution
Refers to the proportions of the population that are in different age levels.
A large portion of the populatoin is made up of
When the perecentage of each age category in a populatoin, it is considered ____
Demographers look at 3 records to study human population growth: _________, ________, and __________ rates
birth, death, fertility
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