Answer:
troposphere
Explanation:
The layers of the atmosphere in order from lowest to highest are:
- Troposphere
- Stratosphere
- Mesosphere
- Thermosphere
- Exosphere
They are called parenchyma.
<h3>What is called Parenchyma?</h3>
The term "parenchyma" refers to the tissues that are employed for function in both plants and animals. Unlike "structural" tissues like wood in plants or bone in animals, this tissue is "functional," carrying out activities like photosynthesis in plants or information stored in the human brain.
A specific kind of ground tissue with thin cell walls and the capacity to expand and divide is referred to as parenchyma in plants. The majority of the cells in leaves, flowers, and fruits are parenchyma. In these formations, "structural" rather than "parenchymal" tissue makes up the hard, structural elements including bark, outer coatings, and major veins.
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1 pic : B ; cell divison allows the org to reproduce
2nd : A ; interphase then mitosis and last cytokinesis
Answer:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.
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The answer is a pathogen
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