What is morphogenesis?

mutation of a cell

development of a tumor

changing of a cell

development of an organism's shape

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

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?

Scientific evidence is most likely to be consistent if it is based on data from