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Allushta [10]
2 years ago
14

If fossils were found that had an opposable thumb and a large skull, which of these living organisms would this most likely be a

n ancestor of? Group of answer choices an elephant a goldfish a chimpanzee a tiger shark
Biology
1 answer:
Ann [662]2 years ago
8 0
It would most likely be a chimpanzee because a opposable thumb is a characteristic of a primate and a large skull is also a chimpanzee

Hope this helps

Have a happy holidays
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Read 2 more answers
How do derived characteristics affect cladograms?
Inessa [10]

Answer:

The Impact of Evolution

Darwin changed everything. The publication of his work on The Origin of Species in 1859, threw the whole of biological science into a new paradigm, including the study of classification theory and the principles of taxonomy.

While using logic as the basis of their work, both Aristotle and Linnaeus had developed their classification schemes on taxonomic principles that were fundamentally arbitrary. Their groups, while logical, were not based on any obvious relationships of a biological nature. They were convenient groups that humans could quickly see, identify and use.

This was acceptable because (a) no one could think of anything better, and (b) most people at the time believed in the 'fixed species' concept in which organism had been created in their current form and could never change.

After Darwin it was realized that organisms could indeed change, and that all current forms of living things had arrived at that form by change and natural selection, the mechanism of evolution. Scientists began to construct phylogenies, lists or diagrams that showed the evolutionary paths taken by populations of organisms through many generations and over long periods of time.

These phylogenetic diagrams quickly started to look like trees, as it was realized that ancestral stocks occasionally broke up, branched and became two or more different species, which could later branch again and again. A phylogenetic tree was a bit like a family tree, showing who the nearest relatives were and who shared a common ancestor, and when.

Organisms were related to one another, and these relationships could form the basis of a new type of taxonomy; on based on evolutionary origin and evolutionary relatedness.

Explanation:

The Impact of Evolution

Darwin changed everything. The publication of his work on The Origin of Species in 1859, threw the whole of biological science into a new paradigm, including the study of classification theory and the principles of taxonomy.

While using logic as the basis of their work, both Aristotle and Linnaeus had developed their classification schemes on taxonomic principles that were fundamentally arbitrary. Their groups, while logical, were not based on any obvious relationships of a biological nature. They were convenient groups that humans could quickly see, identify and use.

This was acceptable because (a) no one could think of anything better, and (b) most people at the time believed in the 'fixed species' concept in which organism had been created in their current form and could never change.

After Darwin it was realized that organisms could indeed change, and that all current forms of living things had arrived at that form by change and natural selection, the mechanism of evolution. Scientists began to construct phylogenies, lists or diagrams that showed the evolutionary paths taken by populations of organisms through many generations and over long periods of time.

These phylogenetic diagrams quickly started to look like trees, as it was realized that ancestral stocks occasionally broke up, branched and became two or more different species, which could later branch again and again. A phylogenetic tree was a bit like a family tree, showing who the nearest relatives were and who shared a common ancestor, and when.

Organisms were related to one another, and these relationships could form the basis of a new type of taxonomy; on based on evolutionary origin and evolutionary relatedness.

7 0
3 years ago
Which of the following is a lymphatic disorder? Lupus melanoma psoriasis seizure
Olenka [21]
Among the options, lupus can be the best answer. Lymphatic diseases can affect one's lymph,nodes and lymph vessels. Lupus is a systemic autoimmune disease occurring when one's immune system attacks one own tissues as well as organs. It can affect different systems in the body.
4 0
2 years ago
Although selection operates against deleterious alleles in populations, they are rarely lost from these populations. For example
KonstantinChe [14]

Answer:

Deleterious alleles appear sporadically in a population

Explanation:

A population with a deleterious allele will have no or few individuals that have the ability to pass along these traits. These alleles appear less in a population because of selective pressure but they are not always absent. The alleles appear less often but are are not always passed on and the others that are genetically fit are able to pass along their genes. The reason the population equilibrium is not zero is because these alleles do appear but they are not necessarily passed along. These individuals may not be able to reproduce or reach the age of reproduction.

Deleterious alleles appear more often, making individuals less fit genetically, i.e. they pass fewer copies of their genes to future generations. Put another way, natural selection purges the deleterious alleles.

3 0
2 years ago
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