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3 years ago

What do humans do to protect the biodiversity of earth

Biology

2 answers:

prisoha [69]3 years ago

8 0

I know one way is by the reduce use of pesticides. The less in a sense the better.

UNO [17]3 years ago

4 0

As a man, created out of nothing but pancakes, I can only assume a true human would have the answer but I will fill you in, regardless. I think humans protect the environment in a countless number of ways, but it is not this what counts. It is the fact that humans don't learn from their mistakes: they don't eat enough pancakes. That, my dear, is my take on your question.

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What technique is used to separate the different cell parts? Select one: a. all of the above b. microscopy c. cell fractionation

enot [183]

Answer:

The correct answer is c. cell fractionation

Explanation:

Cell fractionation is the technique which allows different cells part to be separated from each other on the basis of their density gradient by using a centrifuge.

In cell fractionation, first the cell wall and membrane of cells are broken by chemical, physical or mechanical method. Then the cell component can be separated by centrifuging them at different rpm.

Components that have higher density can be found in the bottom and the light density can be found on top of the tube. Therefore the correct answer is c. cell fractionation.

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4 years ago

Which contains the least diversity of species? a. order b. phylum c. family d. class

Marysya12 [62]

The answer is C- Family.

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3 years ago

In mussels, the allele for brown coloring (B) is dominant,

Bezzdna [24]

Answer:

B. bb x bb

Explanation:

Your answer is B because all the other options will have you end up with at least one brown, and bb x bb would have only blue because it is 100% recessive.

I hope it helps you! Have a great day!

Bored~

7 0

3 years ago

Can somebody give me the answer for these...

labwork [276]

Answer:

1. Life cycle of a cell starts from

G1 phase - S phase (synthesise phase) - G2 phase - mitosis.

2. By mitosis bcoz it restore nucleo cytoplasmic ratio means ploidy of cell remain same.

3. Bcoz of transformation of normal cells into cancerous cells by Carcinogens present in tobacco.,drugs .etc

4 mitosis occurs in plants animals

Binary fission occurs in bacteria and other single celled organism.

Both give rise to two daughter cells.

5.sex cells (n) are produced by meiosis from gamete mother cells(2n).

6.in meiosis ploidy of cell become half

Means diploid cell form haploid cells

And 4 haploid daughters cells are formed.

In mitosis, ploidy of cell remain same

Means haploid form haploid and diploid form diploid.

1 cell form 2 daughter cells.

Hope this helps you.. Frnd ❤️

4 0

4 years ago

When glucose is broken down to co2 and h2o, __________ energy is released and converted into __________?

kogti [31]

The First Blank Is Chemical And The Last Blank Is Potential.

8 0

3 years ago