Chapter 18; 21 Words Flashcards
(21 cards)
1
Q
Ecology
A
- the study of the interactions of living organisms with one another and with their environment
2
Q
Biotic
A
- describes living factors in the environment
3
Q
Abiotic
A
- describes nonliving part of the environment
4
Q
Population
A
- a group of organisms of the same species that live in a specific geographical area
5
Q
Community
A
- all the population of species that live in the same habitat and interact with each other
6
Q
Ecosystem
A
- a community of organisms and their abiotic environment
7
Q
Biosphere
A
- the part of Earth where life exists
8
Q
Herbivore
A
- an organism that eats only plants
9
Q
Carnivore
A
- an organism that eats only animals
10
Q
Omnivore
A
- an organism that eats both plants and animals
11
Q
Food Chain
A
- the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms
12
Q
Food Web
A
- a diagram that shows the feeding relationships between organisms in an organism
13
Q
Energy Pyramid
A
- a triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain
14
Q
Carry Capacity
A
- the largest population that an environment can support at any given time
15
Q
Prey
A
- an organism that is killed and eaten by another organism
16
Q
Predator
A
- an organism that eats all or part of another organism
17
Q
Symbiosis
A
- a relationship in which two different organisms live in close association with each other
18
Q
Mutualism
A
- a relationship in which two species in which both benefit
19
Q
Commensalism
A
- a relationship between two organisms in which one organisms benefits and the other is unaffected
20
Q
Parasitism
A
- a relationship between two species in which one species, the parasite, benefits and the host is harmed
21
Q
Coevolution
A
- the evolution of two species that is due to mutual influence, often in a way that makes the relationship more beneficial to both species
