BIOLOGY MIDDLE SCHOOL

Isotopes have different numbers of:

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Answer 1
Answer:

Answer:

atoms

Explanation:
Answer 2
Answer:

Answer:

Isotopes have a different number of neutrons. Therefore, isotopes  are elements with the same atomic number but different mass numbers.

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The process that occurs when a section of a chromosome breaks off and reattaches to another chromosome is known as _______.
Which of the following technologies would best help a farmer have many identical horses in his farm? A.Genetic engineering, because it helps increase the diversity of animals B Cloning, because it can produce genetically exact copies of an organism C Cloning, because it can create different versions of an organism by manipulating the genes D Genetic engineering, because it increases the variation in a certain species by copying genes

What is symmetry; in one complete paragraph please

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Symmetry is when one half of an object looks exactly like the other half. Symmetry can also be known as a reflection or a mirror. the halves look exactly the same even if you flip it, turn it, or slide it. For example, one half of a butterfly looks exactly the same as the other half. As well as a lobster, dog, snake, etc.

Carbon Dioxide enters plants through their _ _ _ _ _ _ _

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Carbon Dioxide, which is the 'oxygen' that plants need, enters the plant through its stomata.

Thank you!

An organ system is made of many_________ working together to do a special job plz help

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The answer is:
An organ system is made of many cells working together to do a special job.
 ~ Hope this helped  :)
an organ is made of organs because it's part of the organization of life.
And the organization of life are:
cell - come together to form organ
organ - together they form organ system
organ system - come together to form organization
organization - this come together to make organism
organism
so my first answer was right.

Please select the word from the list that best fits the definition process by which new rock is made from old rock

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The correct answer would be: rock cycle

Explanation taken from user Bistai

"The rock cycle is a recycling process by which igneous, metamorphic, and sedimentary rocks are produced, converted from one form to another and destroyed. The rock cycle is a continuous process that has been occurring throughout the history of the earth. The major processes of the rock cycle include sedimentation, crystallization, metamorphism and erosion."
metamorphism would be the correct process.

A fold in rock that bends upward into an arch is called?

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anticline is the answer
 
 a fold in rock that blends upward is called a/an anticline

If you toss a coin 5 and it lands on heads each time, can you expect the coin to land heads up on the sixth toss? Explain.

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Even though it went on heads the first 5 times there is still 1/2 chance that it will instead land on tails. :)
Hope this helped
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Answer for random sampling lab data sheet table 1