Name one trophic level that contains autotrophs and one trophic level that contains heterotrophs.

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins