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ways to preform a expermient
problem question
extraneous varbiables things to be done to improve this epermient
independent variable
dependent variable
controlled variable

Isabelle decides to shave a 1 x 2-inch patch of her hair and the same-sized patch of her dog's hair. She then measures the growth every day for three weeks.
Match the following statements below:
What is the effect of species on hair growth?
Shave patches of her hair and her dog's hair and then measure the growth of hair in those patches with a ruler every day for 3 weeks.
The species
The length of hair or the amount of growth Size of shaved patch; length of time hair grows
The dog might not let her be measured. .
Different human hairs grow at different rates; this is not accounted for Add a control group; include more subjects, humans, and more dogs at the same breed; increase the length of time the experiment is conducted.

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Explanation:

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q: compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city,

a:

comparing this to the inside of a food building/company.

all cells are surrounded by a plasma membrane, which protects the cell from its environment, keeping toxic substances out of the cell. it regulates which molecules are allowed to enter and exit the cell.

regulates all cell activity such as cellular metabolism, and growth in addition to storing and maintaining the cell's dna for transcription and replication. determines what proteins to make.

contains the organelles; site of most cell activity

the place where ribosomes do their working activity.

builds the proteins.

prepares proteins for use or export.

responsible for breaking down and absorbing materials taken in by the cell.

maintains cell shape.

transforms one form of energy into another.