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Crank
3 years ago
6

Which is a change early farmers made to their environment? A. They planted orchards. B. They burned undergrowth. C. They created

terraced farming. D. They built dams.
Biology
1 answer:
tatuchka [14]3 years ago
7 0
B, they burned undergrowth
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How do you get the energy you need for life activities
Olenka [21]

Answer:

I think this would help you Sun, water, food, animals, etc.

5 0
3 years ago
A student added a solution to the plant cell shown in image 1 which resulted in the plant cell undergoing changes, as shown in i
Ymorist [56]

Answer:

Plasmolysis

Explanation:

In the image 1 the cell is having sufficient quantity of water leading to a turgid cell.

The image 1 plant cell is in a dilute solution in which water enters into cell from external medium.

The image 2 plant cell is exposed to a solution which is high concentrated solution.

Due to this high concentrated  solution the water present in  the cell is send out by exosmosis.

Due to loss of water from plant cells the protoplasm in plant cell shrinks in which cell membrane gets separated from  cell wall.

This shrinkage of protoplasm by loss of water is called plasmolysis.

3 0
4 years ago
Read 2 more answers
Do you think Peacocks would be in Hardy-Weinberg Equilibrium? Why or why not?
Slav-nsk [51]

Peacocks would not be in Hardy-Weinberg Equilibrium

Explanation:

This can be justified by the mating patterns of the female peacocks. They do not choose their mates randomly but look out specifically for bright attractive plumage in their male partners and then select them.

Hardy-Weinberg's Equilibrium of evolution mechanism was based on facts like random mating, no natural selection,  mutation, absence of gene flow, and infinite population size.

They stated that organisms mate randomly with each other without any specific or a particular preference in the phenotypes of their opposite mates

4 0
3 years ago
Suppose that a portion of double-stranded DNA in the middle of a large gene is being transcribed by an RNA polymerase. As the po
babunello [35]

<u>Answer:</u>

CCGAGU

<u>Explanation:</u>

DNA transcription:

DNA transcription is the process through which DNA double helical strand is converted into single stranded RNA molecule.

During transcription two strands of DNA are named differently i.e Template strand and coding strand.

Template strand:

Strand from which RNA is producing is known as template strand while

Coding strand:

The strand which is opposite to the template strand is known as the coding strand. Coding strand is the DNA strand whose nucleotide sequence resembles to the RNA transcript base sequence except thymine which is replaced by uracil.

Correct Answer:

Template strand from 5' to 3' reads GGCTCA. and

In this question CCGAGT is coding strand.

RNA sequence is same as coding sequence except T which is replaced by U so sequence of RNA becomes

CCGAGU

8 0
3 years ago
Imagine that you are observing an enzyme-catalyzed reaction in the lab. Every time you add more enzyme, the reaction rate increa
Aleks04 [339]

Answer:

<u>All the substrates are bound to the enzyme</u>, thats why the reaction rate stopped increasing.

Explanation:

Actually an enzyme works by binding a substrate molecule to its active site, producing a product  , resulting in an increase in the rate of reaction.

            Enzyme + substrate = Enzyme + product

Whenever enzymes are added , reaction rate increases as the substrates are being bound to the enzyme's active sites but then occurs a stage where further addition of enzyme cannot increase the reaction rate because all the substrates have bound to the enzyme and <u>there are no substrates left.</u> Hence the reaction rate stopped increasing.

7 0
3 years ago
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