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expeople1 [14]
3 years ago
13

After Darwin proposed his ideas about natural selection, scientists began trying to test his ideas in a variety of ways. Which o

f the following best explains why it was important that scientists did this?
A. They knew they would be left behind by the scientific community if they did not.
B. They needed to discredit Darwin as quickly as possible with contradictory evidence.
C. They were compelled to prove that this new idea was correct and Lamarck was wrong.
D. They had to see if this new idea fit the evidence they found in their experiments.
Biology
1 answer:
Crank3 years ago
3 0
D. They had to see if this new idea fit the evidence they found in their experiments.
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Compare and contrast Darwin’s theory of evolution to the ideas of Lamarck.
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Answer:

Darwin and Lamarck were both scientists who tried to understand evolution. ... Darwin's theory became accepted because it had more evidence that supported it. Lamarck's theory suggest that all organisms become more complicated over time, and therefore doesn't account for simple organisms, such as single-cell organisms.

Explanation:

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2 years ago
If B represents the allele for black eyes (dominant) and b represents the allele for orange eyes (recessive), what would be the
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Answer:

1 black : 1 orange

Explanation:

This is a typical monohybrid cross involving a single gene coding for eye color in MendAlien. The allele for black eyes (B) is dominant over the allele for orange eyes (b). In an heterozygous state, Bb i.e. combination of both dominant (B) and recessive (b) alleles, the MendAlien will be phenotypically black.

In a cross between a heterozygous MendAlien (Bb) and an orange-eyed MendAlien (bb), two of the offsprings will have a Bb genotype and be phenotypically black-eyed which the other two will have a bb genotype and be phenotypically orange-eyed. Thus, a phenotypic ratio of 2 Bb : 2 bb will be obtained.

This is also equal to 1:1 i.e. 1 black-eyed : 1 orange-eyed.

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Mother nature and deforestation?​
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Customarily, cells in a few microscopic fields are counted because it is not possible to scan the entire area of smear. The counting of total number of cells is determined by calculating the total number of microscopic fields per one square cm. area of the smear.

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