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Sergio [31]
3 years ago
11

How did the work of Mary Leakey contribute to our knowledge of early hominids and an understanding of human evolution?

Biology
1 answer:
Alecsey [184]3 years ago
6 0

Answer:

M.Leakey was a paleoanthropologist of  no formal  university education and British origin. Her major discoveries  were;

1. the proconsul skull

2. Zinjanthropus skull at Olduvai Gorge In Tanzania

3, system of classification of discovered stones.

4.Laetoli footprints at Laetoli sites.

However, her most outstanding  discoveries were proconsul skull (  projecting  face with no browridges, and presence of ape-like teeth shapes) and the Laetoli prints. She believed the skull belonged to ancestral Homo habilis, which  could be traced to origin of mankind.

The discovery of Laetoli  prints showed evidences of bipedalism and the origin  of Australopithecus. These prints and  the  skeletons she unearthed  proved that the ancestral of human race actually walked upright, nearly four feet tall in height.Hence she concluded that these prints actually belong to  the Australopithecus. This  brought a paradigm shift in modern understanding of human evolution of prehistoric times and the origin of  mankind,

Her discoveries generally  throw light on the <u>evolution of mankind </u>and  new understanding of <u>genesis of human race</u>

Explanation:

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Answer:

b. Phrenic nerve

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2 years ago
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You have a plant with yellow seeds, which express a dominant phenotype. How would you determine the plant's genotype?. . . Condu
DENIUS [597]
If it displays the dominant genotype, we can assume that this plant would have a heterozygous (hybrid) genotype, i.e.

With a purebred recessive plant, the geneotypes would be 50% Bb and 50% bb.

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With a <span>heterozygous (hybrid) plant, the genotypes would be 25% BB, 50% Bb and 25% bb.</span>


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3 years ago
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Hunter-Best [27]

Options found elsewhere:

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Answer:

-sometimes genetically different than both parents

Explanation:

Protists are eukaryotes that cannot be classed as animals, plants, or fungi. They are quite diverse. Examples include amoeba, plasmodium, and slime mould.

Because they are so diverse, protists also have very different modes of reproduction. Some protists undergo asexual reproduction, where they simply make a copy of themselves without a mate. Others undergo sexual reproduction.

Therefore, the only option that can be correct is "-sometimes genetically different than both parents" .

If they were always genetically identical to one parent or both parents, that would mean that sexual reproduction could not be possible. If they were never genetically identical to one parent, that would mean that asexual reproduction could not be taking place.

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3 years ago
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Hello please help i’ll give brainliest
nataly862011 [7]

Answer:

D

Explanation:

The predator and prey relationship calleed Predation is just a animal killing another animal for food. (Ex: Lion/Gazelle, Foxes/Rabbits, etc)

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all of the above

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