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.
Answer:
true because her muscles are working and theres movement being done overall in the image.
Explanation:
size hence streams are little and rivers are bigger than streams because a stream connects between two or more rivers
mark brainliest please :)
<span>A sperm cell has half of the chromosomes than other animal cells I think</span>
