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lukranit [14]
3 years ago
8

1. Flowering plants and bees have influenced each other's evolution, providing an example of

Biology
2 answers:
Doss [256]3 years ago
8 0

Answer:

1. coevolution

2. abiogenesis

3. Endosymbiont Theory

4. It's estimated that over 99 percent of the species that have existed on Earth at some point in time are extinct today.

5. Coevolution implies that the evolution of one species is dependent on and works in relation to the evolution of another species. This may cause positive or negative impacts and could be beneficial to both organisms or only to one.

6. This theory states that the first building block of life that allowed for reproduction of organisms was the development of self-replicating RNA. This hasn't been able to be fully demonstrated in any science experiment but is based on the idea that there are RNAs that can catalyze biochemical reactions on their own without proteins.

7. This process points to the development of structures through the envelopment of smaller cells that perform specific functions. This is how eukaryotic cells evolved from prokaryotic cells.

8. This experiment was important because it showed that, in the right primordial soup, organic compounds could develop from inorganic compounds.

Explanation:

penn foster

REY [17]3 years ago
6 0

Answer:

coevolution

abiogenesis

Endosymbiont Theory

It's estimated that over 99 percent of the species that have existed on Earth at some point in time are extinct today.

Coevolution implies that the evolution of one species is dependent on and works in relation to the evolution of another species. This may cause positive or negative impacts and could be beneficial to both organisms or only to one.

This theory states that the first building block of life that allowed for reproduction of organisms was the development of self-replicating RNA. This hasn't been able to be fully demonstrated in any science experiment but is based on the idea that there are RNAs that can catalyze biochemical reactions on their own without proteins.

This process points to the development of structures through the envelopment of smaller cells that perform specific functions. This is how eukaryotic cells evolved from prokaryotic cells.

This experiment was important because it showed that, in the right primordial soup, organic compounds could develop from inorganic compounds.

Explanation:

penn foster

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babymother [125]

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4 0
3 years ago
What sticks to DNA and can cover its expression?
crimeas [40]
<span>Methyl groups 
</span>DNA<span> methylation is a process by which </span>methyl groups<span> are added to the </span>DNA<span> molecule. Methylation can change the activity of a </span>DNA<span> segment without changing the sequence.</span>
6 0
4 years ago
Which is the BEST explanation for the drastic decrease in the number of dolphins killed after 1975?
Sholpan [36]

Answer: Which is the BEST explanation for the drastic decrease in the number of dolphins killed after 1975?

A Tuna fishing was banned in 1975.

B. Dolphins stopped swimming with tuna.

C. Economic and political pressures were brought against tuna fishermen.

D. Dolphin deaths and tuna catches were not considered important after 1975.

Explanation: Improvements in fishing gear and techniques discussed in Chapter 7, the mandatory observer program, and the kill quota were responsible for the dramatic decline in the number of dolphins killed by boats in the U.S. fleet.

3 0
2 years ago
How does specialized transduction differ from regular lysogeny?
Juli2301 [7.4K]
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6 0
4 years ago
What are restriction enzymes and how are they used to cut DNA?
Colt1911 [192]

Answer and Explanation:

A restriction enzyme is a type of endonuclease enzyme  that recognizes  a specific short nucleotide sequences on the DNA and  cuts the DNA only at palindromic sites. There are different types of restriction enzymes:

1. Type I restriction enzyme – It cuts at sites far  from the recognition site and requires both ATP and S-adenosyl-  L-methionine as cofactor to function.  

2. Type II restriction enzymes – It cleaves at short-specific distances from the recognition  site and mostly  requires magnesium to function.

3. Type III restriction enzymes – It recognizes two  separate non-palindromic sites and cleaves at 20–30 base  pairs away from a recognition site. It requires both ATP  and S-adenosyl-L-methionine  .

The restriction enzymes cleave DNA sequences producing either sticky or blunt ends that can be ligated with other sequences.

4 0
3 years ago
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