BIOLOGY MIDDLE SCHOOL

Does natural and sexual selection also apply to the species of man? Motivate, positive and negative consequences.

Answers

Answer 1
Answer:

Answer:

Yes, natural and sexual selection also apply to the species of man with modification.

Explanation:

  • The process of selecting the member for the biological sex to produce their generation and offspring is known as the sexual selection. It is a natural and continuous process.
  • It has been seen the act of sexual selection on human beings too, but with the modification of the act that is seen on other non humans.
  • Charles Darwin and Alfred Russel Wallace first gave the concrete idea about the natural sexual selection that is seen on every non human organisms.

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Which correctly compares the use of time skills

Answers

1. time diagrame 
2. time watch 
3. clock
4. bourd 
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Hope i could help :)

Match the following with their proper definitions.biomass
a property capable of causing
changes in matter
a carbon-based fuel derived from
living matter that existed in prehistoric
times
the energy of a moving object
2. energy
3. fossil fuel
a material made from plants or
4. kinetic energy
animals
stored energy
5. potential energy

Answers

Answer:

fossil fuel- a carbon-based fuel derived from

living matter that existed in prehistoric

times

energy- a property capable of causing

changes in matter

kinetic energy- the energy of a moving object

biomass- a material made from plants or animals

potential energy- stored energy

What organic matter contains stored energy?? (12)

Answers

Biomass it the organic matter that contains stored energy

Which of the following monomers would be used to make the double helix of a DNA molecule?

Answers

The monomers that would be used to make the double helix of a DNA molecule are the phosphorus+ sugar+ base. The correct option is A.

What is DNA?

DNA is a genetic material that is present in the nucleus of the cell. It is present in all plants and animals. This is the important material in the body that makes every individual unique.

DNA is made up of three substances. They are phosphorus sugar, which makes the backbone of the helix. The bases are present in between the helices, they are joined by hydrogen bonds.

There are two hydrogen bonds present between adenine and thymine.  There are three hydrogen bonds present between guanine and cytosine. The bases keep the two helices together.

Thus, the correct option is A, phosphorus+ sugar+ base.

To learn more about DNA, refer to the below link:

brainly.com/question/22499464

#SPJ5
Answer is option a would be definitely right

List the steps in isolating embryonic stem cells.

Answers

1. Cleavage stage embryo
2. Cultures blastocyst
3. Isolated inner cell mass
4. Irradiated mouse fibroblast feeder cells
5. Cells dissociated and replaced
6. New feeder cells
7. Established embryonic stem cells cultures

What energy (ATP)- producing organelle is found in animal and plant cells?​

Answers

I don’t know so I’m just going to leave
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