Home >> Flashcards >> Biology >> 10.3/Ecological Relationships
Shared Flashcard Set
Additional Biology Flashcards
Cards
Term
|
Definition
| • The physical environment where an organism lives |
|
|
Term
|
Definition
• The way an organism lives in its habitat
• What it eats, when it sleeps, how it moves, when it reproduces |
|
|
Term
|
Definition
• Ecological relationship between members of different species that are in direct contact
• Mutualism, commensalism, parasitism |
|
|
Term
|
Definition
| • +/+ both organisms benefit |
|
|
Term
|
Definition
• Converts nitrogen in soil to a form that can be used by plants
• Example of mutualism between legumes and nitrogen-fixing bacteria living on their roots |
|
|
Term
|
Definition
| • +/0 one organism benefits and other is not affected in any way |
|
|
Term
|
Definition
| • +/- one organism benefits at expense of another organism |
|
|
Term
|
Definition
• Organism that benefits in parasitism
• Usually don’t kill hosts because they keep the parasites alive |
|
|
Term
|
Definition
| • Organism that is hurt by parasitism |
|
|
Term
| Interspecific Competition |
|
Definition
• Competition between different species: -/-
• Degree of competition depends on how much niches overlap
• Usually iether one species drives the other to a different niche or they evolve in different directions eventually occupy two different niches |
|
|
Term
|
Definition
| • Animals that eat other animals (prey) |
|
|
Term
|
Definition
| • Animals that get eaten by other animals (predators) |
|
|
Term
| Intraspecific Competition |
|
Definition
• Competition between members of the same species: -/-
• Food, shelter, ability to reproduce |
|
|
