Food chains and Food webs Flashcards
1
Q
What is an omnivore
A
Eats plants & animals
2
Q
What is a carnivore
A
Only eats animals
3
Q
What is a food chain
A
A food chain shows a single feeding interaction in an ecosystem. It always begins with a plant ( producer ) since it provides the energy for other organisms. The arrows show the direction of energy flow i.e how energy is passed on
4
Q
What does a food web do
A
It shows all the feeding relationships in an ecosystem
5
Q
What does a pyramid of numbers show
A
It shows the numbers of each organism at each feeding ( trophic ) level
6
Q
What is a pyramid of numbers
A
It is a diagram based on the relative numbers of organisms at each trophic level
7
Q
What is biomass
A
The total dry mass of living organisms at each level
8
Q
What is a herbivore
A
Only eats plants
