If he breeds his straighteared cat with a Scottish fold with no severe health issues , what percentage of kittens will have folded ears ? What percentage will have the potential for severe arthritis (SF / S * F) ?

littering streams           is the answer

c. heat from the poles back down towards the equator.

producers within ecosystems are essential as they are at the base of the food chain. plants are examples of producers. they use the process of photosynthesis to capture light energy and use it to convert simple inorganic substances (carbon dioxide and water) into organic substances (glucose).