B4 Community level systems Flashcards
1
Q
what is an ecosystem?
A
Are dynamic systems consisting of a biological community of interacting organisms and their physical environment
2
Q
What does Abiotic factor mean?
A
non living physical factor
3
Q
List Abiotic factors
A
- light intensity / availability
- temperature
- moisture level / water available
- soil pH / type
- wind levels
- oxygen availability
4
Q
list biotic factors
A
- animals
- plants
- fungi
- bacteria
- protists
5
Q
what do organisms compete for?
A
- food
- water
- space
- shelter
- partners
- light
- carbon dioxide
- minerals
6
Q
what is the definition of mutalism?
A
both organisms gain from the relationship
7
Q
what is the definition of parasitism?
A
only one organism gains from the relationship
8
Q
what is the definition of predation?
A
relationship where predator feeds on prey
9
Q
what is the definition of a predator?
A
A species that eats the prey, always a carnivore
10
Q
what is the definition of a prey?
A
A species that is eaten by the predator
