Answer:
The answer is due to oxygen deficiency
Hope this helps you.
Hey! your answer is --
Amoeba and Paramecium both are unicellular organisms . t
both take any plan and animal as food which float in water . the mode of nutrition in Amoeba is hetrotropic .
The process of taking food is called phagocytosis ..
Step--
Amoeba get food in pseudopodia and in closed in a food vacuole and digest them to get energy . The digested part of the food diffuse into cell cytoplasm and undigested part of food expell at any point on body surface ..
★ hope u understand ★
I believe the answer is A.
hope this helps! C":
Nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), carry genetic information which is read in cells to make the RNA and proteins by which living things function. The well-known structure of the DNA double helix allows this information to be copied and passed on to the next generation.