A mutation is a change in DNA, the hereditary material of life. An organism's DNA affects how it looks, how it behaves, and its physiology.
Answer:
Carbon, Hydrogen, Oxygen, Nitrogen
Explanation:
The trachea is a single tube through with oxygen passes to the double-tubed bronchi as we breathe air inside. The two tubes of bronchi are called left and right bronchi and are often termed as alveoli and bronchioles
I believe the answer is B!
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Hope this helps
Answer:
(i)
x= nucleus
y= chloroplasts
z= vacuole
(ii)
1) an animal cell does not contain a vacuole but a plant cell does
2) a plant cell contains chloroplasts but an animal cell does not
