Question

What do you mean by population? Describe population interactions.

Hint:

Remember: Population interactions include relationships like predation (one benefits), mutualism (both benefit), and competition (both suffer).

Answer 1

A population is a group of individuals of the same species living in a specific geographic area. 
Population interactions include: 
Predation: One organism (predator) kills and eats another (prey). 
Competition: Individuals compete for the same resources. 
Mutualism: Both species benefit from the relationship. 
Parasitism: One species benefits at the expense of another.