Cell membrane... i believe this to be the correct answer
Cephalization is the differentiation of end part of the body into a head in which nerve tissue is concentrated. Sponges have a very loose nervous system and their cells work individually, not controlled by a nervous system. Since they have no defined head as a consequence of concentrated nervous system, the sponges could not have cephalization either.
The right answer for the question that is being asked and shown above is that: "b. Archaeopteryx fossils share traits with both birds and reptiles." Scientists claim this is evidence of a common ancestor. <span>Archaeopteryx fossils show that the animal had feathers like a bird.</span>
Answer:
The human genome is the complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria. These are usually treated separately as the nuclear genome, and the mitochondrial genome.
(1) start with an effect and work backward to an explanation (2) do not recognize social and cultural influences, and (3) absolve people from taking responsibility for their sexual behavior.
