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Nookie1986 [14]
3 years ago
10

How can two species with no close common ancestor have similar structures? What is this type of evolution called?

Biology
1 answer:
Flura [38]3 years ago
7 0

Answer:

convergent evolution:

Explanation:

organisms which are not closely related may adapt similarly when exposed to similar environments, thus have similar structures.

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The downward entry of water into the soil or rock surface
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Answer: percolation

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3 years ago
The _____ hypothalamus signals an animal to start eating, whereas the _____ hypothalamus signals the animal to stop eating.
Ivanshal [37]
The lateral hypothalamus signals an animal to start eating, whereas the <span>ventromedial </span>hypothalamus signals the animal to stop eating. So the correct option is the first one.
3 0
4 years ago
Specialized functional bodies within the cytoplasm of a cell, what is the structure called?
masha68 [24]

Answer:

Explanation:

Cytoplasmic organelles are "little organs" that are suspended in the cytoplasm of the cell. Each type of organelle has a definite structure and a specific role in the function of the cell.

8 0
3 years ago
Which of the following is true for DNA but not RNA? Release of PPi from the monomer provides the energy for polymerization. It h
Maru [420]
<h2>DNA And RNA</h2>

Explanation:

  • <em>All are true for both DNA and RNA because they are release of ppi from the monomer provides the energy for polymerization.</em>
  • Proteins, lipids and complex starches (polysaccharides), nucleic acids are one of the four significant sorts of macromolecules that are fundamental for every known type of life.
  • The nucleic acids comprises of two significant macromolecules, Deoxyribonucleic corrosive (DNA) and ribonucleic corrosive (RNA) that convey the hereditary guidelines for the improvement,  
  • The center structure of a nucleic corrosive monomer is the nucleoside, which comprises of a<em> sugar buildup + a nitrogenous base</em> that is joined to the <em>sugar buildup at the 1′ position.</em>
  • The sugar used for RNA monomers is ribose, while DNA monomers use deoxyribose that has lost the hydroxyl useful gathering at the 2′ position of ribose.  
  • Four nitrogenous bases that are joined into the standard DNA structure. These incorporate the <em>Purines such as  Adenine (An) and Guanine (G), and the Pyrimidines.Cytosine (C) and Thymine (T)</em>.
  • RNA utilizes indistinguishable nitrogenous bases from DNA, aside from Thymine. where is the <em>Uracil (U) found    in the RNA nucleotide.</em>
  • The nucleotide ,When the  one of  phosphate group are connected to a nucleoside at the 5′ position so that is formed  the sugar buildup.
  • The joining of <em>one phosphate frames a nucleoside monophosphate, </em>the fuse of <em>two phosphates shapes a nucleoside diphosphate, </em>and the fuse of <em>three phosphates frames a nucleoside triphosphate.</em>
7 0
4 years ago
What is the best description of chromosomes by the end of metaphase II of meiosis?
defon

Answer:I think its B. the chromosomes reach opposite sides of the cell and incorporate into two new nuclei

Explanation:

8 0
3 years ago
Read 2 more answers
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