15. B.
16. G. schlerenchyma cells
17. D. ATP
Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell.
At the top of the body of a water, there is a lot of light from the sun, which also means a lot of solar energy. This allows for a fruitful photosynthesis.
In contrast, at the bottom of the water, there isn't as much, or sometimes any, sun light. Because of this the organisms at the bottom of the body of water
<span>D. must rely on other means than photosynthesis
</span>
Answer:
The correct answer will be option A.
Explanation:
Humans in history have always tried to organize the diversity of organism based on a number of characters like ecological functions, habit, habitat and others based on the similarities and dissimilarities.
The traditional way of classification has classified the organisms based on the morphological characters but the modern concept of a classification approach to classify the organism based on their evolutionary relationship as a grouping in this way not only organizes the animals but also conveys the information about the understanding of their evolution and evolutionary history.
Thus, option A is the correct answer.
