Which type of cells are believed to have evolved first? A. Eukaryotic
B. Prokaryotic
C. They evolved at the same time.

What major structure can be used to tell apart the embryos of acoelomates pseudocoelomates and coelomates?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

What is a group of organisms that are closely related and share similar characteristics