Lesson 9.2 Flashcards
best processes to keep the ecosystem functioning
nutrient cycles
_____ is the maximum number of individuals of a given species that an area’s resources sustain without significantly depleting or degrading those resources.
Carrying Capacity
_____ are the most usable sources of energy for many living organisms.
Food, shelter, and water supply
The scarcity of these resources leads to malnutrition and even extinction
Food, shelter, and water supply
____ in an ecosystem adversely affects the supply of resources
Overpopulation of species
The maximum rate at which a population can increase when resources are unlimited and environmental conditions are ideal
population’s biotic potential
refers to the condition wherein an organism’s numbers exceed the carrying capacity of its habitat.
overpopulation
results in an increased demand for natural resources consumption
Overpopulation
The rapid growth of ____ affects foods and water resources
population
is the transfer of individuals from one population to another due to weather conditions in the environment and lack of food supply.
Immigration
is the transfer of individuals out of a population and into another population.
Emigration
refers to the emergence of a young animal or a human into the outside world.
Birth
The size of a population declines when individuals ____
die
Major factors that affects the changes in population
Immigration
Emigration
Birth
Deaths
he wrote “An Essay on the Principle of Population” which describes a forthcoming population catastrophe.
Thomas Malthus,
