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Sonbull [250]
3 years ago
10

Explain this phrase: "animals don't mutate and adapt because they need to...."

Biology
1 answer:
Bumek [7]3 years ago
6 0
 <span>One important mechanism of evolution, natural selection, </span>does<span> result in the evolution of improved abilities to survive and reproduce; however, this does not mean that evolution is progressive — for several reasons

</span>
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Dna replication is called semiconservative because _______________ of the original double-helix appears in one daughter strand f
Tamiku [17]
I believe the answer is this:
DNA replication is called semi-conservative because half of the original double-helix appears in one daughter strand formed in replication if you need any more help then please comment and let me know ok. :)
7 0
3 years ago
12. Name the two systems that control blood pH
GarryVolchara [31]

The buffer systems functioning in blood plasma include plasma proteins, phosphate, and bicarbonate and carbonic acid buffers. The kidneys help control acid-base balance by excreting hydrogen ions and generating bicarbonate that helps maintain blood plasma pH within a normal range.

6 0
3 years ago
What chromosomal disorder is illustrated in Figure 14–9?
kodGreya [7K]
Answer is: <span>nondisjunction.
</span>Nondisjunction<span> is the failure of </span>homologous chromosomes<span> to separate correctly during </span>cell division, because of tha daughter cells have abnormal chromosome numbers. This example is <span>failure of a pair of </span>homologous chromosomes<span> to separate in </span><span>meiosis I.</span>
4 0
3 years ago
The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentr
Scilla [17]

Answer:

the answer woiuld be b

Explanation:

6 0
3 years ago
Human blood groups are governed by three alleles, IA, IB, and i. IA and IB are codominant and i is recessive to both. A man who
Ira Lisetskai [31]

Answer:

They could have all four type phenotype that are A, B, AB, and O

Explanation:

If the man has A blood group and the woman has B blood group then the genotype of man can be IAIA or IAi and the genotype of woman can be IBIB or IBi.

               IA      i

       IB   IAIB   IBi

       i     IAi       ii

So if the genotype of the parents are IAi and IBi then out of four offspring one could have AB blood group, second could have B blood group, third could have A blood group and fourth could have O blood group as shown in the cross above.  

7 0
3 years ago
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