What is the human embryo called after the eighth week of development?

What is a cordon and where is it found

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water