Animals that have showy colors or patterns that indicate a poisonous nature used to defend themselves is known as __. 

As we move from lower trophic levels to higher trophic levels, the size of the population 

Antibiotics are useful against viral diseases. 

To what group does the following image belong? algae2.png

The study of the interrelationships between organisms and their environment is 

Look at the image below. At what levels does the hawk feed? foodweb6.png

As we move from lower trophic levels to higher trophic levels, the amount of biomass-

Which organism is the secondary consumer? food chain2.png

Evolution happens to ___ not to ____. 

Which organism is the tertiary consumer? food chain2.png