Answer:
I did 4 crossovers and followed the genotype. That's how I did it.
Explanation:
Answer: a. endoderm-bone
Explanation: In the context of embryonic development, bone tissue may arise from several precursor cell populations, such as the neural crest (some facial bones), lateral mesoderm (bones of the limbs, among others), and paraxial mesoderm (vertebrae and part of the skull). There is no evidence to suggest that any of the bony structures is derived from the endoderm germ layer.
Blood enters the pulmonary vein with close to 100% of the blinding site for oxygen saturated.
Take a White Flower and measure it with different soil temperatures and see if it changes colors. And don't forget to record the color and take a picture with different temperatures
All the branches of science that deal with the scientific study of living organism are called life sciences. e.g; botany,zoology,anatomy,biochemistry,embryology etc..
