Biology
Name:________________________________
Ch 13 Vocab Review
Across
5. the study of the
interactions
between
organisms and
their
environment.
9. the energy
chain from
primary producers
to herbivores to
carnivores
11. aka primary
producers
Down
1. aka consumers
2. several interconnected food chains
3. organisms that live off the dead bodies of animals and plants or their waste products
4. feeding level
6. explain how certain chemicals are passed from one part of the biosphere to another and one organism to
another
7. a simple, straight line path showing who eats whom.
8. organisms that use energy from the sun to change simple nonliving chemicals into living tissues
10. organisms that must obtain their energy and nutrients from food