biology vocabulary examples please -help!-?

Mara

New member
Ok so im doing my bio..and i have a huge headache...i cant think straight..
so please; can some one give me an example sentence for each of the following words...? i even went ahead and did the definition i just need an example sentence for each one... please and thank you



Autotroph:
An organism that uses light energy or energy stored in chemical compounds to make energy to manufacture is a producer, or autotroph.

Heterotroph:
An organism that cannot make its own food and feeds on other organisms.


Decomposer:
Decomposers break down the complex compounds of dead and decaying plants and animals into simpler molecules that can be more easily absorbed.



Food chain:
A food chain is a simple model that scientists use to show how matter and energy move through an ecosystem.





Trophic lever:
Each organism in a food chain represents a feeding step, or trophic level, in the passage of energy and materials.





Food web: A food web shows all the possible feeding relationships at each
trophic level in a community.








Biomass: Biomass is the total weight of living matter at each trophic level.
 
Back
Top