What is a food chain?
Shows what eats what and in what order
makes own food
eats primary consumer
What is an ecosystem?
a place were living things interact and depend on
what is the relationship between prey and predator?
prey is the predators food
What is a keystone species?
species that other species depend on
what will happen if a prey species predator is taken away?
The preys population will grow because there is nothing to eat it
How do you calculate the birth rate? (or death rate if you replace it with birth rate)
population÷birth rate x 100
What is an adaptation
When an animal has a physical feature that helps it survive in the climate
What are limiting factors
weather space and food
how can limiting factors keep a population from increasing
It keeps dying off less common
How do humans compete with other species?
Human want wild life or food
Why should humans care about endangered species?
could be a keystone and if one keystone dies then everything will be effected