Why is circulatory system is important in meeting the needs of all cells throughout an animal's body

Rue or false siblings look simila rbecause they each have some traits of their parents.

What is the most important inorganic material for livings things? ! due tomorrow!

The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .