Answer:
DNA is double-stranded, while RNA is single-stranded. RNA contains ribose as a sugar, while DNA contains deoxyribose. Also, three of the nitrogenous bases are the same in the two types (adenine, cytosine, and guanine), but DNA contains thymine while RNA contains uracil.
If this question has the same list of choices like the previous ones, the answer would be letter B.. It is based on phylogeny.<span>
</span>>Cladistics<span> is defined as the classification of organisms based on the branchings of descendant lineages from a common ancestor.
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The following are the choices to the question stated above.
A. It is the same as phylogeny.
<span>B. It is based on phylogeny. </span>
C. It is a branch of phylogeny
The respiratory system is a collection of organs involved in carrying out gas exchange in your body. Deep in the lungs, tiny sacs called alveoli take in oxygen from the atmosphere and release carbon dioxide.
Answer:
C
Explanation:
The genes contain codes that specify proteins, which produce traits.
Since fire is a chemical reaction, and oxygen is needed for that reaction, having a fire in a cave is a sure sign of the presence of oxygen.
