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Alex Ar [27]
3 years ago
10

What organisms need homeostasis to survive

Biology
1 answer:
Svetach [21]3 years ago
6 0
Warm blooded animals living on land
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Hypothesis: If the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time. The data of this lab supported the hypothesis because there was a difference in bird when fruit was removed

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It is always important to note possible sources of error in the conclusion.
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A. True. y'w c: C; now have good day

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The sickle-cell allele produces a serious blood disease in homozygous recessive individuals. why doesn't natural selection elimi
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No, the sickle-cell anemia allele won't be eliminated by natural selection.

Sickle-cell anemia trait is controlled by a single gene and the allele (S) for sickle-cell anemia is a harmful autosomal recessive.

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Heterozygotes (AS) with the sickle-cell allele are resistant to malaria, a deadly tropical disease. It is common in many African populations.

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Therefore, they are more likely to survive and reproduce. This keeps the S allele in the gene pool.

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3 0
2 years ago
How can geological time scale best be reconstructed
olga nikolaevna [1]

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You'd want to examine homologous structures in fossil remains. This can give a geologic time scale of evolution within certain fossil groups. ... Fossil evidence can give a general timeline for the common ancestor or origin or homologous structures as well as how they have changed since then.

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6 0
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If oxygen moves from an area of high concentration outside of the cell to low concentration inside the cell, which method of mov
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Since this is oxygen, not water, and it is going from an area of high concentration to low, it is moving with its concentration gradient, it would be diffusion. If it were water, not oxygen, then it would be osmosis, and lastly, if it were moving from an area of low to high concentration, that would be active transport. Semipermeability is a characteristic of cell membranes, not a method of movement.

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