D, is the answer. If you take antibiotics more than you're supposed to your immune system gets used to it and it no longer works.
Answer:
C. a decrease in the chromosome number in every generation.
Explanation:
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Prokaryotes and eukaryotes differ in terms of size, presence of nucleus, presence of golgi apparatus and other features. Prokaryotes are way smaller than their counterparts, and do not have nuclei and golgi apparatus.
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Air must pass from the back to the front of the pharynx to enter the trachea and food must pass from the front to the back of the esophagus
A trait is a characteristic, such as color or size, that is inherited by an offspring from its parents. The genes that control a trait come in pairs, one gene from each parent. We represent these gene pairs by writing a combination of two letters. For example, if one parent contributes a gene for blue eyes (c), and other parent contributes a gene for brown eyes(C), then we write the offspring’s eye color trait as Cc. This combination, of the two genes that determine the trait, is called a genotype. If gene pair contains a dominant allele, the the offspring will show this dominant trait
