Only plants need cell walls, animals do not. Cell walls help maintain cell shape in plants, while the cell membrane helps support animal cells.
Answer:
The Cosmologist have to purchase use telescope so they can see the outside world.
Histology is the study of blood, which is a group of similar cells that have a common function.
<h3>What is blood?</h3>
Blood is a connective tissue that contains cells known as red blood cells, while blood cells, and platelets, and is responsible for transport of different substances, is referred to as blood.
The study of blood is histology.
Thus, the answer is histology.
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