Answer:
Atmosphere layers. Earth's atmosphere is divided into five main layers: the exosphere, the thermosphere, the mesosphere, the stratosphere and the troposphere. The atmosphere thins out in each higher layer until the gases dissipate in space.
Explanation:
The atmosphere has 4 layers: the troposphere that we live in near the surface of the earth; the stratosphere that houses the ozone layer; the mesosphere, a colder and lower density layer with about 0.1% of the atmosphere; and the thermosphere, the top layer, where the air is hot but very thin.
Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight into chemical energy. <span>
Cellular Respiration - </span>a biological process in which cells convert sugar, amino acids and fatty acids into energy utilized by the cell.<span> The process plays an essential role in maintaining the biological functions of all living cells.</span>
Answer:
true
Explanation:
Each chromosome represents a single gene. Each chromosome usually contains multiple genes. All members of each species have the same number of chromosomes.
Which number do you need help on? All?
<span>A genetic mutation occurs when there is a permanent change in the nucleotide sequence of the DNA. The error falls in to 3 main groups; Deletion, substitution, or an addition of base pairs. The main reason why mutations are fatal are because of the rapid cell development that can cause cancer.</span>
