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motikmotik
3 years ago
10

Why do organisms change over time? How does the past help us predict the future? (think of the before/after cows)

Biology
1 answer:
weqwewe [10]3 years ago
3 0

Answer:

Organisms change over time due to natural selection and genetic mutations.

Explanation:

An example of natural selection is the finches the scientist Charles Darwin studied in the Galapagos Islands. The finches had different shaped beaks which allowed them to adapt to different environments. An example of genetic mutation is if a person had an extra finger.The past helps us predict the future because if a change happened in the past to an organism, we can use the same change and apply it to other organisms which can help us determine what is to come in the future. Hope this Helped!!

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Match the appropriate food item with the indicator chemical you would use to detect the principal organic molecule present in th
Valentin [98]

Answer:

raspberry jam -  benedict's solution

honey -  benedict's solution

ground turkey - biuret reagent

oatmeal - iodine

Explanation:

Benedict's test is a test used to confirm simple carbohydrates. it helps in identifying reducing sugars that have free ketone or aldehyde functional groups. Raspberry jam has mainly carbohydrates that can be tested by this indicator.

An iodine test is for the determination of starch which is a non-reducing sugar such as oatmeal

Sudan IV (C24H20N4O) is used for the presence of staining of lipids, triglycerides and lipoproteins. There is no food item given that has a proper amount of fat or lipid

Beuret reagent is a protein testing reagent that shows the presence of the protein. Ground turkey has a huge amount of protein that can be indicated by this

4 0
3 years ago
As with any major scientific discovery, the previous work of many different scientists help contribute to final conclusions. Whi
4vir4ik [10]

<em>A</em>

<em>AExplanation:</em>

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5 0
3 years ago
What information can be inferred if the estimated heritability of a trait is approximately 0.50?
kiruha [24]
<span>At least 50% of the variation in the trait in the population is due to genetic differences.</span>
3 0
4 years ago
Read 2 more answers
Why are diploid cells abbreviated 2n and haploid cells abbreviated 1n​
Ganezh [65]

Answer:

Diploid cells abbreviated 2n and haploid cells abbreviated 1n​ because 'n' represents number of chromosome present in the cell. In haploid cells the number of chromosome is half in number while in diploid cells the number of chromosome is double so that's why haploid is abbreviated as 1n and diploid is abbreviated as 2n.

Diploid cells are present in body cells while haploid cells are found in sex cells.

4 0
3 years ago
Define asexual reproduction. Describe two methods of asexual reproduction in animals.
AfilCa [17]

Answer:

Asexual reproduction is a mode of reproduction in which only one parent is involved to reproduce offspring. In asexual reproduction,the offsprings produced are exact copies of their parents. It is generally observed in very small sized organisms. Binary fission, Budding, Fragmentation etc.

Explanation:

7 0
3 years ago
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