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Vladimir [108]
3 years ago
12

The Phanerozoic Eon began approximately 545 million years ago when hard-shelled animals called...

Social Studies
1 answer:
nika2105 [10]3 years ago
7 0

Answer:

Trilobites

Explanation:

The Phanerozoic Eon is characterized by the presence of organisms that possessed hard shells as an adaptation to the environmental conditions. Among these organisms, the most common hard-shelled animals were the trilobites.

Trilobites were present during most of the Paleozoic Era, which belongs to the Phanerozoic Eon. These animals were marine organisms with remarkable and unique phenotypes.

The body of a trilobite was composed of three segments: the cephalon, the thorax, and the pygidium (tail). In addition, they possessed an exoskeleton composed of chitin, which was the reason behind their hard shells. They shed their exoskeletons to be able to grow.

Trilobites are currently extinct.

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C.

The conclusion is the last part of your essay, so it should "sum up" the rest.

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Introduction-Grab the reader's attention and introduce the topic.

Body Paragraphs-Use source material to prove your point.

Conclusion-Tie back to the introduction and thesis.

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3 years ago
The ability of preschoolers to delay gratification has been found to be associated with:
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3 years ago
How is behavior therapy different than psychoanalysis?
drek231 [11]

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3 years ago
How did the geography and climate of South Asia affect the development of the Indus River Valley? Use at least 3 examples in you
schepotkina [342]

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3 0
2 years ago
Mathew is a manager at Wonderworld Hypermarket. He finds it difficult to cooperate and work with Anthony when it comes to gettin
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These leaders are typically less concerned with the idea of catering to employees and more concerned with finding the step-by-step solution required to meet specific goals.

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