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KonstantinChe [14]
3 years ago
11

Why are some fossils found in lower layers and not upper layers?​ (give 2 answers of why this is)

Biology
1 answer:
horsena [70]3 years ago
6 0
1 because the fossil could be and older type fossil that has been there for years
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Very large premolar and molar teeth, a sagittal crest, heavy mandibles, and wide zygomatic arches are found in modern gorillas,
Dovator [93]

Answer:

The correct answer will be option- Australopithecus.

Explanation:

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5 0
3 years ago
Some inbred strains of the weedy plant Arabidopsis thaliana flower early in the growing season, but other strains flower at late
RoseWind [281]

Answer:

a. Let us consider that L is responsible for late and l is responsible for early. From the mentioned data, it can be concluded that allele L or late is dominant over early. By crossing plants 1 and 4 we get the expected ratio of 3: 1, which shows that it follows Mendel's law of dominant.  

b. The genotype of all the four plants are:  

1st plant = Ll

2nd plant = ll

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c. If the plant 1 is self-fertilized then the expected progeny will be 3 (late): 1 (early).  

In case if the 2nd plant is self-fertilized, the expected progeny will be only early.  

In case if the 3rd plant is self-fertilized, the expected progeny will be only late.  

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When two substances create a solution, what happens to its mass?
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The mass is increased as two things are added together so the two masses of the two substances are added together.
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