Make a table showing the different types of feathers found on birds. Describe the function of each kind.

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

According to this food web which of the following would be considered primary consumers

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel