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Ecosystems

Across
Species with adaptations that allow them to remain at or near their carrying capacity for long periods of time - wolves, elephants, cacti
Movement of individuals out of a population
Organism that makes its own food
The study of how populations change and what causes them to change over time
Species that reproduce rapidly if their population falls below carrying capacity - algae, bacteria, insects
Living and nonliving things interacting in a certain place
Maximum number of individuals an ecosystem can support
Number of individuals in a population at a given time
Down
An organism that seeks out other organisms for food
Diagram illustrating feeding relationships and energy flow
A factor that prevents the continuing growth of a population in an ecosystem
Movement of individuals into a population
Measure of the number of individuals in a certain space at a particular time
Organism that needs to eat other organisms for its food
The process of contaminants becoming increasingly concentrated at each higher trophic level
An organism that serves as food to another organism
A naturalist who studied the changes in a population