The answer is <span>c. Living organisms modify their environment a little at a time.</span>
The purpose of succession is for an ecosystem to reach balance state right after it is formed or after it is disturbed by man or some disasters. It will increase biodiversity and help to prevent the desertification. Living organisms modify environment a little at a time. By modifying it, they make the environment more suitable for the new species to enter the community.
21. B. recessive
22. D. DD and dd
23. D. FF and ff
Answer:
D is the correct answer. (please give me brainliest?)
I believe the correct statement is that Water absorbs heat when it changes to vapor, helping to keep animals cool through perspiration. Water has a high heat of vaporization, the amount of energy needed to change one gram of a liquid substance to gas at constant temperature. In humans and other organisms, the evaporation of sweat, which is 90% water, cools the body to maintain a steady temperature.
Cell division starts with one parent cell and finishes with two cells. Each daughter cell has the same DNA as the parent cell