Biotic factors are all of the “alive” factors in the environment which includes all living organisms. Abiotic factors are opposite, are “non alive” factors which may include water,soil,air,rocks,and etc.
Answer:thats too hard sorry
Explanation:sorry but i get points so haha
Bacteria have different phage resistance mechanisms, such as spontaneous mutations, the CRISPR-Cas system.
Spontaneous mutations are the main mechanisms leading to phage resistance by altering the structure of bacterial wall components that act as phage receptors. These include lipopolysaccharides (LPS), outer membrane proteins, cell wall teichoic acids, capsules, and other bacterial components.
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The atmosphere protects earth from the suns strong rays and keeps our oxygen on earth for us to breathe. Not to mention the moon would start taking all our water. If we somehow DID survive, we would not last very long, for the earth would over heat and with no plants, animals, or water, we would either die from starvation or from dehydration. If it weren't for the atmosphere our world would be burned to a crisp like Venus!
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D.
Anaphase away. So, this means that The tetrads are pulled apart, while the Sister Chromatids are still together.
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