Figure out which step in the scientific method is being used. "If eating celery burns more calories than the celery contains, then I will lose weight if I eat lots of celery."

The cluster of developing cells from conception until birth is called an

Coral have a symbiotic relationship with what in order to eat?

Select the correct answer from each drop-down menu the images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that the archaeopteryx and bird have wings, while dinosaurs have limhe se it can be concluded that