Answer:Blood
Explanation:Bones contain bone marrow. Red and white blood cells are produced in the bone marrow. Protects and supports organs: Your skull shields your brain, your ribs protect your heart and lungs, and your backbone protects your spine.
Land, Water and Air are the three sub-groups of animals in Aristotle's classification system. He also classified on basis of red blood cells and without red blood cells.
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Aristotle is very popular in ancient Greece and he is very popular in the field of biology and mathematics. He divided the living organisms into two classes called the Plants and the Animals. He divided the animals into two classes – one which contains red blood cells and the other which didn’t contain any red blood cells.
He also noticed that most of the organisms which contained red blood cells are vertebrates i.e they contained a body vertebral column in their back. So they were called as vertebrates and the others were called as invertebrates.
The correct answers A false
Carbon dating
hope it helped
Answer:
A structure in the cell nucleus that contains DNA, histone protein, and other structural proteins.
Explanation:
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