Cosmology by definition is the branch of astronomy involving the origin and evolution of the universe. It is the study of how the universe is formed from the big bang theory to other theories pushed by scientists. It also studies about the parts and components of the universe.
Answer:
Explanation:
A.
The skeletal system reacted involuntarily and moved when acted upon by nerve impulse.
B.
The circulatory system worked to provide energy for the action to be completed and the respiratory system provided oxygen to the working muscle.
C.
The immune system had no immediate contribution to the action, but had been vital in preserving the body systems so thay they would be prepared to work in concert to produce the acton.
D.
The nervous system initiated the action. The nervous system transmitted the impulse need for the knee action.
E.
The doctor's nervous system and muscular systems worked together to produce the movement need to tap the patient's knee.
The active production of useful plants or animals in ecosystems<span> that have been created by people.
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There are two types of cell, prokaryotic (bacteria) and eukaryotic (animal, plant, fungi and protoctista (unicellular organisms)). Prokaryotes have no nucleolus – the DNA isin the cytoplasm, and it can from small circular strands of DNA called plasmids. Eukaryotic cells all have their DNA enclosed in a nucleus.
A nuclear envelope forms around each set of chromosomes, and a nucleolus forms in each of the newly forming cells. Copied DNA coils into chromosomes. ... Kinetochore fibers move chromosomes to the cell's center.