Chapter 18 Science Vocab Flashcards
(21 cards)
Describes living factors in the environment
Biotic
Ecology
The study of the interactions of living organisms with one another and with their environment
Abiotic
Describes the nonliving part of the environment, including water, rocks, light, and temperature.
Population
A group of organisms that live in a specific geographical area
Community
All the populations of species that live in the same habitat and interact with others
Ecosystem
A community of organisms and their abiotic environment
Biosphere
The part of Earth where life exists
Herbivore
An organism that eats only plant
Carnivore
An organism that only eats animals
Omnivore
An organism that eats both plants and animals
Food chain
The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms
Food web
A diagram that shows the feeding relationships between organisms in an ecosystem
Energy pyramid
A triangular diagram that shows an ecosystem’s loss of energy
Carrying capacity
The largest population that an environment can support at any given time
Prey
An organism that is killed and eaten by another organism
Predator
An organism that eats all or part of another organism
symbiosis
A relationship in which two different organisns live in close association with each other
mutualism
a relationship were both organisms benefit
commensalism
one organism benefits while the other isn’t benefits or harmed
Parasitism
A relationship where one organism benefits while the other is harmed
Convolution
The evolution of two species that is due to mutual influence, often in a way that makes the relationship more beneficial to both species
