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Olin [163]
3 years ago
10

When constructing buildings in coastal areas, humans sometimes destroy sand dunes on the beaches. This activity

Biology
2 answers:
pav-90 [236]3 years ago
8 0
It’s b that’s the answer
levacccp [35]3 years ago
3 0
A makes the most sense here .. i believe
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Carl Woese and collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes
Natali [406]

Answer:

d) genetic characteristics such as ribosomal RNA sequences

Explanation:

Carl Woese and his collaborators identified two major branches of prokaryotic evolution which are bacteria and archaea. They used 16S rRNA sequencing to study the similarities and differences between archaea and bacteria.

After sequencing the complete genome structure of Methanococcus jannaschii in 1966 which is an archaea they concluded that bacteria are more closely related than humans than bacteria.  

After many years Carl Woese gave the three-domain system which divides prokaryotes into archaea and bacteria according to differences in their rRNA sequencing. Eukarya was the third domain. So the correct answer is d.

5 0
3 years ago
At the end of meiosis II, how does the DNA in each of the four new cells compare to the DNA from the original cell?
Olin [163]

DNA, or deoxyribonucleic acid, is a long chain molecule that plays a central role in life on earth. The information encoded in strands of DNA controls the genetic makeup of organisms. The DNA molecule has a backbone of sugars and phosphate groups off of which hang simpler units called nucleotide bases.

4 0
3 years ago
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How can having more species make an<br> ecosystem more sustainable?
jeka94

Answer:

Biodiversity will increase which will make the ecosystem more immune towards diseases and changes in weather.

Explanation:

Example: If u have 1 type of fish in a lake and suddenly the water became salty for some reason, that kind of fish may not survive and if it doesn't there will be no life left in the lake, but if there were multiple types of fish and other animals then some of them would be able to survive and adapt on the change in environment. Hope I helped!

3 0
4 years ago
A student states that earthquakes cannot occur at the center of a tectonic plate's surface—earthquakes occur only at tectonic pl
MrRa [10]

Answer:

a earthquake happens when the plate rub together therefor causing the loud and very very hard vibrations trust me i live in Los Angeles they are no fun at all

Explanation:

3 0
4 years ago
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I need answers please, mainly the bottom ones, I know how to do the top ones, thanks.
andrew-mc [135]

Answer:

sorry need points sorry need points

Explanation:

sorry need points sorry need points

4 0
3 years ago
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