Organising Ecosystems (P2) Flashcards
(7 cards)
1
Q
Give three Abiotic factors:
A
- Living intensity
- Temperature
- Moisture Levels
- Soil pH, mineral content
- Wind intensity and direction
- Carbon dioxide levels for a plant
- Oxygen levels
2
Q
Give three Biotic factors:
A
- Availability of food
- New predators
- New pathogens
- One species outcompeting so numbers are no longer sufficient to breed
3
Q
How are plants in hot environments adapted for their environment?
A
- Wide deep roots for absorbing water
- Some plants have spines instead of leaves to reduce water loss
- Thick, waxy skin
4
Q
What is an Extremophile?
A
An organism that is able to live in extreme environments
E.g Deep sea vent bacteria
4
Q
Give three factors that affect rate of decay:
A
- Temperature
- Water
- Oxygen
5
Q
Give three things plants compete for:
A
- Light
- Space
- Water
- Mineral ions
6
Q
Give three things animals compete for:
A
- Food
- Mates
- Territory
