Answer: they all have a nucleus
Explanation:
Unlike prokaryotes, the dna is neatly inside the nucleus and not scarttered around, The types of eukaryotes are plant and animal cells
Populations evolve and individual organisms do not. Evolution occurs through natural selection and survival of the fittest as populations evolve traits that better suit their environment.
Below are the 6 reasons a bone must be continually remodeled:
1.new cancellous bone must be remodeled into compact bone tissue.
2.bones increase and decrease in mass based on the stress they experience.
3.reshape the bone.
4.rapair the bone.
5.remodeled to replace worn collagen and hydroxyapatite.
<span>6.regualate calcium levels in the blood.</span>