Answer:
The answer is A. different versions of genes
Answer:
More white cats
Explanation:
if the two original cats are white they must have two recessive alleles each. If you put it into a punnet square the only outcomes are another white cat.
Answer:
The answer would be (D) They are heterotrophic.
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Answer:subarachnoid space.
Explanation:Explanation: the cerebrospinal fluid is produced by the ventricles of the brain.it is the circulating fluids that surrounded the brain and the spinal cord.
These fluid supplies the brain and spinal cord with nutrients,removes wastes and protects spinal from trauma.
The lumps puncture is usually done to :
To determine any infection in theCNS (infalamtion of the brain amd spinal cord(meningitis).
To determine if there is bleeding in the CNS.
To Diagnose brain tumor or viral infection.
Organ system describe the organs in the human body
Like lunges, heart, small intestine, and many other organs.