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monitta
2 years ago
15

Fill in the following blank answers :

Biology
1 answer:
Marat540 [252]2 years ago
4 0
A: white oak
b: cottonwood
c:american elm
d:silver maple
e:black willow
f:green oak
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Please choose the answer that describes the the scientific notation rotation for 5,098,000
Gnoma [55]
5098000=5.089 times 10^6=5.089*10^6

the answer is 5.089*10^6
8 0
3 years ago
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Write 1 to 2 paragraphs explaining the role chromosomes play in heredity. Include the structure and function of chromosomes.
AleksandrR [38]

Answer:

Chromosomes are systemized structures of proteins and DNA. It have a string like shape, mainly located within the nucleus of both plant and animal cells. DNA is concentrated in the chromosomes. In 1902, Sutton and Boveri proposed that chromosomes has a part in heredity opposing Mendel's theory of segregation and independent assortment.

One major function of the chromosome is to keep the DNA from being altered or negatively influenced during cell division. It ensures accurate distribution of the DNA during the breaking down of genetic material. In mitosis, the chromosomes are duplicated and dispersed to daughter cells so that each cell attains a diploid set of chromosomes totally of the same nature to that of its parent cell. In meiosis, the resultant cells would attain a chromosome from each chromosome pair this will lead to half the number of chromosomes. This process is important for the offspring being produced to have the same characteristics of the parents which would results from the fusion of the sperm and egg of the parents.

5 0
2 years ago
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What are the function of the male reproductive system
faltersainse [42]
To produce the sperm
8 0
3 years ago
Select all that apply: Nucleic acids _____.
Marat540 [252]
I would believe the correct responses would be option 1,2,4.
5 0
3 years ago
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True or false. Is sympatric speciation, a physical barrier arises and separates two populations l, ending flow between them
timofeeve [1]
<h3><u>Answer;</u></h3>

The above statement is <u>False </u>

<h3><u>Explanation;</u></h3>
  • Speciation is an evolutionary process in which new species arise. There are three types of speciation, namely; sympatric, parapatric and allopatric speciation.
  • <em><u>Sympatric speciation is a pattern in which speciation occurs in the absence of a physical barrier to gene flow; ex. polyploidy arising in flowers.</u></em>
  • In an Allopatric speciation on the other hand, a physical barrier arises and separates two populations, ending gene flow between them and allowing reproductive isolating mechanisms to evolve so that later if the two groups come back into contact they will no longer be able to reproduce together, therefore making them different species.
7 0
3 years ago
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