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arsen [322]
2 years ago
12

The many kinds of dogs are all of the same speecies because

Biology
1 answer:
Pavel [41]2 years ago
7 0

They all come from the same thing, wolves some just started different breeds and that's how we have our different kinds of dogs

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Decomposition in pools, ponds, and lakes takes place mostly in the _______ zone. a. pelagic b. littoral c. benthic d. all of the
Elena L [17]

Answer:

C. Benthic

Explanation:

The benthic zone is the region at the lowest part of water ...

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A ____ is issued when the Supreme Court agrees to review a case
ELEN [110]

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Your answer is a writ of certiorari.

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A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in the labor
PSYCHO15rus [73]

A mutation is an alteration in the original DNA sequence.  Option 3. The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.

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

A mutation is a stable and hereditably change in the genetic material.

Mutations alter DNI sequences and introduce new variants. Many of these variants are eliminated, but some of them might succeed and be incorporated in each individual, affecting the entire species.

They can be damaging or beneficial. These last mutations are the ones that have been selected by natural selection.

Different mutagenic agents cause changes in genetic information, increasing mutations over the normal level. They can change the bases sequences and bases pairing.

Mutations depend on each group's environment and its ecological pressures, and they accumulate in time. They are inherited to the followings generation and get to spread.

According to this framework, the correct option is 3. The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.

If the analyzed chemical is a mutagen, then it will cause an alteration in the DNA sequence and this change -mutation- will pass to the following generations spreading in the population.

You can learn more about mutations at

brainly.com/question/13923224

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A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in

the laboratory

Which statement best provides evidence that the substance is a mutagen?

  1. The cells die within hours of being exposed to the chemical.
  2. The cells grow more quickly than those that were not exposed to the chemical.
  3. The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.
  4. The cells continue to divide at the same rate as before they were exposed to the chemical.
3 0
2 years ago
The muscle tissue in your heart is made up of what
blondinia [14]
Cardiac Muscle Tissue<span>. Cardiac </span>muscle tissue<span> is an extremely specialized form of </span>muscle tissue<span> that has evolved to pump blood throughout the body. In fact, cardiac </span>muscle<span> is only found in the</span>heart<span> and makes </span>up<span> the bulk of the </span>heart's<span> mass.</span>
8 0
3 years ago
Which cell structure is made of a bilayer of phospholipids and<br> encloses all cells?
wlad13 [49]

Answer:

The cell structure is the plasma membrane also known as the cell membrane.

Explanation:

The plasma membrane is the thin coat of lipids (phospholipids) that surrounds and encloses a cell, also can be called the cell membrane

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