SB9d Biotic factors and communities Flashcards
1
Q
What is a Biotic factor?
A
it is the organisms in an ecosystem that affect other living organisms
2
Q
Name the Biotic factors.
A
Biotic factors include:
o Disease (pathogens)
o Competition for:
* Food
* Mate
* Territory
2
Q
Explain the Predator-Pray cycle.
A
If their are lost of predators then a lot of their prey will be eaten resulting in low amounts of prey. If their are low amount of prey then the number of predators will decrease due to the competition of food. If their are small amounts of predators then the number of prey will increase, if the number of prey increase it means more food so increased number of predators and the cycle repeats.
