Base your answer to the question on the diagram below and on your knowledge of biology. The diagram represents some of the systems that make up the human body. A similarity between these systems that make up the human body

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.