Variation in population size Flashcards
1
Q
Define population size
A
The number of individuals in a population
2
Q
A population growth curve has 3 phases. What are they?
A
A period of slow growth, A period of rapid growth and A period when the population growth declines until its size remains relatively stable
3
Q
What are the 2 main factors affecting the population size?
A
Biotic and Abiotic factors
4
Q
Name 4 abiotic factors
A
Temperature, light, pH, water and humidity