Term
|
Definition
a group of organisms that can interbreed and produce fertile offspring; close resemblance; common ancestry
Example: Canis lupus --> wolf
|
|
|
Term
|
Definition
The environment in which a species normally lives or the location of an organism; includes shelter, space, water, amount of light, etc.
Example: Forest Stream |
|
|
Term
|
Definition
a group of organisms of the same species who live in the same area at the same time
Note: a species of wolves in Canada and the same species of wolves in Russia do not belong to the same population |
|
|
Term
|
Definition
a group of populations living and interacting with each other in an area; these interactions may involve mutualistic relationships (mutualism, parasitism), predator/prey relationships, etc.
Example: Fish, insects, deer, bears and birds in a forest stream habitat. |
|
|
Term
|
Definition
A community and its abiotic environment; ecosystems are largely self-contained though they are interconnected with other ecosystems
Example: ponds, lakes, salt marshes, tundra |
|
|
Term
|
Definition
The study of relationships between living organisms and between organisms and their environment |
|
|
Term
|
Definition
an organism that synthesizes its organic molecules from simple inorganic substance
Examples:
photoautotrophs (Cyanobacteria, plants)
chemoautotrophs (Nitrosomas, methanogens) |
|
|
Term
|
Definition
an organism that obtains organic molecules from from other organisms.
Examples: Homo sapiens, Fungi |
|
|
Term
|
Definition
an organism that ingests organic matter that is living or recently killed.
Example: carnivores, herbivores |
|
|
Term
|
Definition
an organism that ingests non-living organic matter.
Example: earthworm |
|
|
Term
|
Definition
an organism that lives on or in non-living organic matter, secreting digestive enzymes into and absorbing the products of digestion
Examples: Nitrosomas, Nitrobacter |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
refers to an organism's position in a food chain; classifies organisms according to their feeding relationships with other organisms in the same ecosystem.
T1 = producer
T2 = primary consumer
T3 = secondary consumer
T4 = tertiary consumer
T5 = quaternary consumer
|
|
|
Term
|
Definition
|
|
