This is a tough question in the field of taxonomy. A species is classified as a group of organisms that can interbreed. However, this is more more complicated. Suppose Organism A can successfully interbreed with Organism B, Organism B with Organism C, and Organism C with Organism D; however, Organisms A and D are too genetically different to interbreed. Is this one species or multiple species? Does it really matter? Why do I keep asking questions about schizophrenia and why do I?
how
rain, trees, animals
estrogen
lobsters physical chacteristics is they sleep
Physical geography covers topics relating to the surface of the earth, but human geography studies human's interaction with Earth.
DNA and your genetic code passed down from your parents.
central cavity and mouth; most have tentacles
they are called the 4P's product, place, price, promotion
heritage
Saturn is most easily recognized by its rings. While other planets have rings, none are as visible as Saturn's.
Jupiter is most easily recognized by its colorful bands of clouds and the Great Red Spot, an enormous storm that has ranged for at least 300 years.
Yorkshire pigs are a maternal pig breed. They are a white pig with erect ears and a long/lean body. They are most known for their prolificness (ability to produce and care for large litters).