Answer:
No they are analogous but not homologous
Explanation:
Answer:
In biology, evolution is the change in the inherited traits of a population from generation to generation. These traits are the expression of genes that are copied and passed on to offspring during reproduction. ... Genetic drift arises from the role chance plays in whether a given individual will survive and reproduce.
Heredity - This is the passing on of traits from parents to their offspring either through sexual reproduction or asexual reproduction.
Explanation:
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Answer:
True
Explanation:
Many organisms like bacteria and animals can adapt to cold environments by changing the proportion of unsaturated fatty acids, avoiding freeze the plasma membrane.
The plasma membrane has the function to protect the cells from their surroundings. It is composed of a phospholipid bilayer with embedded carbohydrates, proteins and in animals’ cells cholesterol, giving a fluid characteristic. This fluidity is given for the characteristics of the phospholipids. Saturated fatty acids have one bond between atoms making a rigid structure in cold temperatures, making saturated fatty acids solidify and the membrane gest rigid and is susceptible to rupture. Phospholipids with unsaturated fatty acids have double bonds between atoms, making the membrane more flexible and in cold temperatures, the unsaturated fatty acids don´t freeze, maintaining the fluidity of the membrane.