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BartSMP [9]
3 years ago
6

What is evolution? ..............

Biology
2 answers:
natita [175]3 years ago
8 0

Answer:

the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

jeka943 years ago
5 0

Answer:

Evolution is the process of living things changing over time,and how a new species develop

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Anyone good at Biology could you give me a helping hand please!
andriy [413]
1. Anaphase. In <span>Anaphase the sister chromatids separate from each other to the opposite sides of the cells.

2. </span>Chromosomes would not separate into two nuclei. <span>Mitosis is a process cell division, where one cell divides into two identical cells.
</span>
3. Metaphase I. <span>Meiosis prophase I is the phase in which chromosomal crossing over occurs. The phase after prophase I is metaphase I.

4. </span>Its body cells would have 36 chromosomes, and its gametes would have 18 chromosomes. <span>In the gametes, there are half of the number of chromosomes present in the body cell.

5. </span><span>A species has to adjust rapidly to a changing environment. To adjust to the environment, crossing over is necessary, and it does not occur in mitosis, but meiosis.

6. 50 percent. 
Parents:          Yy      x     yy
Offspring:    Yy    Yy    yy   yy
50 % is Yy  and 50% is yy.

7. </span><span>One parent had white eyes and the other was heterozygous for eye color. The ratio in the offspring is 50-50. The only possibility is the following:
Parents:       Rr     x     rr
Offspring   Rr    Rr   Rr   Rr

8. </span><span>Their fur will be a mixture of red and white hairs. The offspring will be heterozygous. They will have alleles for both red and white hairs and both will be expressed.
</span>
9. Not enough information.

10. <span>Both of the parents' genotype must have been Pp. The genotype of the white plant is pp since it is recessive:
Parents:        Pp     x     Pp
Offspring:   PP   Pp   Pp   pp
One of the four is white.</span>

4 0
3 years ago
The hypothesis that all modern humans descended from an african lineage ____. has been conclusively proven to be correct is supp
Juliette [100K]
The hypothesis that all modern humans descended from an African lineage is supported by the mitochondrial DNA evidence. The Eve hypothesis is the hypothesis that is based on the study of mirtochodrial DNA; that modern humans have a common female ancestor who lived in Africa around 200,000 years ago. It is also called African Eve hypothesis. 
4 0
3 years ago
Both natural processes and human activity are causing some of Earth's permanent bodies of ice to melt. If enough of this ice mel
Nitella [24]

Answer:

The water will get more warm fresh water.

Explanation:

7 0
3 years ago
Select the correct answer.
damaskus [11]

Answer:

OB هخشسؤةةحؤةىشؤحىشؤتىشكنؤىتنؤمشؤىشتؤىسشتؤلااؤ

4 0
3 years ago
What percentage of the moon as seen from Earth is illuminated during the third quarter phase?
Alex73 [517]

Answer:

50% of the moon is illuminated during a third quarter phase

4 0
3 years ago
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