Answer:
peristalsis first occur in oesophagus
so, option A is correct
Answer:
Explanation:
There are many characteristics of life, including, <u>cells.</u> A cell is a tiny unit of life that carries out many different processes.
If something is considered living, it must have at least one cell, but it can have more. For example, bacteria is unicellular and living. We (humans) are also living, but made of billions of cells.
Therefore, for something to be considered living, it must be composed of at least one <u>cell. </u>
<span>They can reproduce very quickly</span>
answer: the number of squeezes
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Terms to know:
dependent variable is what is being tested and can be measured.
independent variable is the variable or variables that change or are being controlled in an experiment
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Hopefully this helped and good luck.
<span>The reason is that there are a number of processes which are being carried out by the living organisms and they include the application of diffusion. ;)</span>