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Sophie [7]
3 years ago
13

A bird’s ability to fly south when winter weather approaches is an example of a what adaptation?

Biology
2 answers:
omeli [17]3 years ago
4 0
This would be a behavioral adaptation because it is a trait they learned to do over time.
Lelechka [254]3 years ago
3 0
It would be Behavioral adaption
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4 0
4 years ago
Read 2 more answers
Improve the student’s model of gas exchange by drawing the missing component.
larisa [96]

Answer:

The diagram can be improved by:

                                  Lungs

                                       ↓

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                                       ↓

                      Red blood cells (carrying oxygen)

                                       ↓

                  Organs (like stomach and liver etc) from where carbon    

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                                         ↓

                   RBC's carrying Carbon dioxide to the lungs

The component which is missing in the diagram are the organs where exchange of gases occurs. The red blood cells carry oxygenated blood from the lungs to all parts of the body and carries the wast carbon dioxide gas from them back to the lungs. The carbon dioxide is then exhaled by the lungs.

8 0
3 years ago
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Kevin has adjusted to the regular use of pain killers and needs to continue using these drugs in order to feel comfortable. kevi
Vanyuwa [196]

His relationship with painkillers can best be described as dependent since he depends on them in order to feel comfortable

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3 0
3 years ago
The PCR primer ‘D7S820’ is used to amplify the D7S820 locus. Using this gel below, determine whether each person (M1, P1, P2, C1
Ahat [919]

Answer:

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P1 is homozygous for this locus, since it contains a single band or is known to be homozygous for the locus or gene.

P2 is hetozygous for this locus because two bands appear in which each band represents one allele for the gene.

ChildC contains two gel bands, representing two alleles and is therefore heterozygous

P1 is the father of the child C1, if we look at the gel, each father shows a similar band, one coinciding with the mother and the second with the father p1

As for the paternity study, the PCR test is not useful, since it provides asymmetric results, thus only one strand information will be provided, and because the DNA is double-stranded, a more complete study is required.:

3 0
4 years ago
HCL is found in our stomach, but our stomach wall is not degradation. Explain reason
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Because the HCl In the stomach is diluted so it isn't as strong as pure HCl
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