The atmosphere is a closed system.
False
Answer:
They are adapted for photosynthesis by having a large surface area, and contain openings, called stomata to allow carbon dioxide into the leaf and oxygen out. Although these design features are good for photosynthesis, they can result in the leaf losing a lot of water. The cells inside the leaf have water on their surface. Some of this water evaporates, and the water vapour can then escape from inside the leaf.
Answer:
DNA is double-stranded, while RNA is single-stranded. RNA contains ribose as a sugar, while DNA contains deoxyribose. Also, three of the nitrogenous bases are the same in the two types (adenine, cytosine, and guanine), but DNA contains thymine while RNA contains uracil.
Answer: Tissue
A tissue is the level of organization that is shown in the image. A tissue is a group of cell, found in plants, animals and humans. The cells in the tissue are similar in structure and function. The study of tissues in the living organisms is called as histology. An organ is formed when multiple tissues are grouped togethe
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