science quiz Flashcards
1
Q
The passing of materials and energy from one organism to another is called a
A
food chain
2
Q
an illustration of the interrelationships between food chains in an ecosystem
A
food web
3
Q
ecologist often use _______ ________ to illustrate energy relationships in a food chain.
A
ecological pyramids `
4
Q
An ecological pyramid is divided into layers called _______ ______
A
Trophic levels
5
Q
__________ eat both plants and animals
A
Omnivores
6
Q
_______ may eat herbivores or other carnivores
A
carnivores
