1. Plant cell
2. Photosynthesis
3. Animal cell
4. Deforestation
a. Man made change
b. Cell wall
c. Chemical change
d. Cell membrane
Answers
Answer:
plant cell cell wall
photosynthesis chemical change
Animal cell cell membrane
deforestation manmade change
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1. A plant cell is a eukaryotic cell that contains a true nucleus and certain organelles to perform specific functions. However, some of the organelles present in plant cells are different from other eukaryotic cells.
2. The process by which green plants turn carbon dioxide and water into food using energy from sunlight
3. An animal cell is a type of eukaryotic cell that lacks a cell wall and has a true, membrane-bound nucleus along with other cellular organelles
4. cutting down trees over a large area
a. Man - made changes are those changes which are created by humans and it does not occur naturally . For example : pollution of air is created by humans by burning fossil fuels and smoke coming out from vehilcles and factories.
b. A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
c. Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. ... An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.
d. The cell membrane is a biological membrane that separates the interior of all cells from the outside environment which protects the cell from its environment. The cell membrane consists of a lipid bilayer, including cholesterols that sit between phospholipids to maintain their fluidity at various temperatures
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