Answer:
c
Explanation:
a b and c are all signs of life but energy can be in objects not just life.
Thymine has a methyl group and is better suited for the storage property of the DNA molecule as it is far more stable compared to Uracil.
RNA contain Uracil instead of thymine so as to make differentiation of RNA molecule from DNA molecules easier.
Answer: Ecosystem
Explanation: An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. A niche refers to the role of a species in its ecosystem. A habitat is the physical environment in which a species lives and to which it is adapted.
Albinism is a disease in which a person has partial or complete loss of pigmentation (coloring) of the skin<span>, </span>eyes<span> and </span>hair<span>. </span>