Answer - Compare population growth problems in more developed countries and less developed countries: More developed countries try to reduce the birth rate, but are unable to. Less developed countries have high death rates.
Apoptosis is important for programmed cell destruction when a cell begins to grow abnormally, or when cells become inefficient at completing the cell cycle and providing the specific set of functions to the organism.
(cancer/abnormal cells, and old cells)
Answer:
The correct answer is b. morphological
Explanation:
Morphological species concept is also known as phenetic species concept. According to this concept if the organisms which are phenotypically (morphologically, anatomically and physiologically) similar are considered to be one species even if they are prevented to mate in between.
All the observable characters come under phenetic characters. For example, if two rhinos look same because they have horns they will be put in the same species even if they do not mate.
Therefore, the morphological species concept defines species boundaries based on the physical characteristics of populations.
<span>The genes that produce the enzymes needed to break down lactose are not expressed.<span> </span></span>
B is correct
D is appealing but the electrons spend more time around the oxygen than the hydrogen