Simply means there was not enough food or if there were other contributing factors as well

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

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase