At the first cell division of the zygote (fertilized egg), according to Wikipedia: http://en.wikipedia.org/wiki/Embryo
a fetus a fetus
Lazy.
Observations and measurements made during an experiment are called the data.
There was no written information or data taken during that time period.
Everybody studies science -- science is what you call learning about how things work, and we all do that during our lives. People who study science as a career are called scientists.
The dependent variable is the variable that can change in an experiment.
When the sperm and egg of two animals meet, they create a zygote. It is then called an embryo during the early stages of development and later called a foetus.
At 6 week after fertilization there is what we call embryo which is unborn baby in uterus in early stages of development and the body features of growing baby in the embryo are nor much developed.
It varies according to when, during the pregnancy, you are referring to. The most general terms are foetus and embryo.
an egg
you call these stages the phases of the moon
In the novel "Speak" by Laurie Halse Anderson, Melinda calls her stages of development in art class the "Four Phases of the Turkey." Each phase represents the evolution of her art project, starting from a simple outline to a more detailed depiction of a turkey.
organism
endosperm
growth stages
Check, Call, and Care
the leaf like structure of a seed is embryo
They stages are: The call; the threshold; the challenges; the abyss; the transformation; the revelation; the atonement; and the return