Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Ecology:
|
The study of relationships between living organisms and between organisms and and their environment.
|
|
|
Ecosystem
|
A community and its abiotic environment.
|
|
|
Population
|
A group of organisms of the same species who live in the same area at the same time.
|
|
|
Community
|
A group of populations living an interacting with each other in an area.
|
|
|
Species
|
A group of organisms that can breed and produce fertile offspring.
|
|
|
Habitat
|
The environment in which a species normally lies or the location of a living organism.
|
|
|
Autotroph
|
Producer) An organism that synthesises its organic molecules from simple inorganic raw substances.
|
|
|
Hetereotroph
|
(consumer): An organism that obtains organic molecules from other organisms.
|
|
|
Consumers
|
an organism that ingests other organic matter that is living or recently killed
|
|
|
Detritivores
|
an organism that ingests non- living organic matter.
|
|
|
Saprotrophs
|
(Decomposers) an organism that lives on or in non- living organic matter secreting digestive enzymes into it and absorbing the products of digestion.
|
|
|
Food Chain
|
A sequence of relationships between trophic levels where each member feeds on the previous one.
|
|
|
Food Web
|
A diagram that shows the feeding relationships in a community, the arrows indicate the direction of energy flow.
|
|
|
Trophic Level
|
Where an organism is positioned on a food web.
producer- 1st trophic level. |
