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mina [271]
3 years ago
15

Evolution refers to which of the following?

Biology
2 answers:
Sphinxa [80]3 years ago
8 0
B) the gradual change of a species over time
slava [35]3 years ago
4 0

Answer:

having traits that help a single organism survive

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Andrej [43]

Answer:

I know it is B

Explanation:

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How do electrons behave in the atom?
blsea [12.9K]
When the electron wavefunction is bound in a stable state in an atom it stretches into a 'orbital' form. There was a mistake. When attached in a stable atomic state, an electron often acts like a three-dimensional oscillating wave, i.e. the orbital vibrates. It's sort of like a vibrating chord.
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The first cells to initiate an electrical signal in the heart is the
Lady_Fox [76]

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Answer is Sinoatrial node, SA.

Explanation:

The sinoatrial node, SA, is known to be a group of cells which are found at the top of the heart.

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3 0
3 years ago
1. cells are composed of chemicals, and both the structure and function of cells are regulated by basic chemistry principles.
Tamiku [17]

The cell is the smallest level of organization and is composed of chemicals and atoms. These chemicals regulate the structure and functioning. Thus, the statement is true.

<h3>What is a cell?</h3>

A cell has been defined as the basic unit of the organization of organisms that have been known to be composed of chemicals, atoms, and molecules. They are bonded together to perform various functions.

The chemicals and elements involved are the fundamentals that provide the structural support and functions of the cell like the carbohydrates and lipids provides shape to the cell.

Therefore, the statement is true.

Learn more about the cell, here:

brainly.com/question/13021101

#SPJ4

Your question is incomplete, but most probably your full question was, that cells are composed of chemicals, and both the structure and function of cells are regulated by basic chemistry principles. (True/false).

5 0
1 year ago
Maria is doing an experiment with soda she opened a can of soda and left it open for a day the starting mass of the soda was 340
Tcecarenko [31]

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