The answer to the question is option C
Answer:
All plants and animals group existing together and the physical factors with which they interact is called Ecosystem
Explanation:
The geographical area where animals, plants and other beings along with atmosphere and other physical factors interact to form a life chain is known as Ecosystem. It has both living and non-living factors in it. All the factors of an ecosystem are dependent on each other.
For instance, a change in climate determines the growth of types of plants. It can be large or small, like- ponds are small ecosystem whereas ocean is a large one. Ecosystems sometimes are connected to ‘Biomes’ or land, sea or climate.
Oxygen is needed by aerobic organisms for cellular respiration process. Oxygen happens when the muscles are working faster than energy can be produced. Energy is still produced but anaerobic process is done to cope up. The signs of oxygen debt are panting and muscle fatigue.
Umm. can you add a picture of it??
I believe it is C, there are four nitrogenous bases involved. Adenine, cytosine, guanine, and thymine