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Chapter 8 & other

Horizontales
a relationship that involves one organism living with, on, or inside of another organism and harming it
the struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time
a community of organisms that live in a particular area plus their nonliving environment
An organism that can make its own food
Shows the amount of energy that moves from one level to another
These break down biotic wastes and dead organisms and return the raw nutrients to the ecosystem
the number of individuals in an area of specific size
A series of events in which one organism eats another and obtains energy
an environmental factor that causes a population to stop growing or decrease in size
the study of how organisms interact with each other and with their environment
all the different populations that live together in an area
the struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time
a relationship in which one species benefits and the other is neither harmed nor helped
the organism that the parasite lives on or in; is harmed by the parasite
Verticales
an inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment
a group of organisms that can mate with each other and produce offspring that can also mate and reproduce
the role of an organism in its habitat
the largest population that an area can support
the number of deaths per 1,000 individuals for a given time period
the organism that does the killing
An organism that obtains energy by eating other organisms
the parts of a habitat that are living, or were once living, and which interact with an organism
when an organism moves into a population
the nonliving parts of an organism’s habitat
when an organism leaves a population
the organism that is killed
Consumers that eat only plants
any living thing is called an