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MA_775_DIABLO [31]
3 years ago
15

Why are transitional fossils important?

Biology
1 answer:
agasfer [191]3 years ago
3 0
Transitional fossils help scientists bridge gaps in the tree of life, resulting in a picture of gradual evolution over millions of years.
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What is the function of tendril? How is the tendril of pea different from that of pumpkin?
storchak [24]

Explanation:

a tendril is a specialized stem ,leaf used by climbing trees or plants for support.

a pea tendril - is way smaller than a pumpkin tendril it's thread like structure are narrowly small..

5 0
3 years ago
Why must sexually reproducing organisms produce sex cells that have half the genetic information (DNA) as they have in all their
weqwewe [10]

Answer:

Because offspring with two parents will share half of each parent's DNA.

Explanation:

Sex cells contain half of the genetic information of an organism's regular cells. This is because a sexually-produced organism will be unique; it will share genetic information with both of its parents, rather than be identical to its bearer (like an asexual organism would be). When a sex cell meets another sex cell, their DNA will meet as well and change/adapt to suit the organism. If a sex cell had all the information needed to create an embyro, instead of half, which requires another cell's information to fill the DNA void.... well, it would just do it.  

5 0
3 years ago
What implications need to be considered when creating environmental policies?
butalik [34]

Answer:

Is the benefit worth the cost?

Explanation:

Environmental policies application has to lead to some economic cost.

When coming up with this policies, the effect that this policies shall have towards environmental protection shall be considered.

The cost and economic effect that this policies shall cause should also be looked at.

If a policy causes insignificant change towards environmental protection and at the same time the costs are too high, then the policy should be dropped.

If a policy has got significant impact and costs less, the it should be taken.

5 0
3 years ago
Read 2 more answers
17. When transcription occurs in eukaryotic cells, a DNA strand is copied to an mRNA strand that contains introns and exons. Whi
scoundrel [369]

Answer:

Exons because they are coding sequences

Explanation:

The sections of DNA (or RNA) that code for proteins are called exons.

6 0
2 years ago
Which value is being measured in the columns labeled fraction remaining and percentage remaining
ahrayia [7]

<u>Question</u>:

Which value is being measured in the columns labeled "Fraction remaining” and "Percentage remaining”?

  1. years of decay
  2. quantity of energy
  3. number of stable atoms
  4. amount of material that has not decayed

<u>Answer</u>:

"Amount of material that has not decayed" being measured in the columns labelled "Fraction remaining” and "Percentage remaining”

<u>Explanation</u>:

The table shown below having explains about the half life , the  amount of sample in both fraction and percentage. The first column named half life elapsed tells  us the the number of half life that that is completed. Half life is the time taken for an element to reduce or decay into half of its initial amount.

The fraction remaining column gives the amount of sample that is left behind  after the half life particular number of half life has completed.  similarly the percentage remaining column gives the amount of sample in percentage. For example, the 5th row tells us that after 4 half life is over \frac{1}{16} th of the sample remained. In percentage it is 6.25%

6 0
4 years ago
Read 2 more answers
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