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Bumek [7]
3 years ago
10

Which of the following must occur for speciation to happen?

Biology
1 answer:
Vadim26 [7]3 years ago
5 0
Speciation will only occur if there was life in the area before like a bunrt down forest or soemthing similar
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Determine whether the statement is true or false, and why. “If a point mutation occurs in a tumor gene it can become activated.
solmaris [256]

Answer: A. False, it should read “If a point mutation occurs in a tumor suppressor gene it can become inactivated. This allows the rate of cell division to increase unregulated.”

Explanation: I already know this for a fact.

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biologists is studying two species of lizards in a mountainous region. The two species are separated by habitat with one species
ivann1987 [24]

Answer:

Valley lizard = Oviparous

Mountain lizard = Viviparous

Explanation:

In Darwin's theory survival of the fittest, he believed species adapt or change within their environment. So I believe lizards living in a valley would be more safe to lay their eggs but lizards living in the mountains would be viviparous because of the non-predicted and unsafe environment which could harm the better chances of development of the offspring.

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3 years ago
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Karo-lina-s [1.5K]

Answer:

Amphibians

Explanation:

They had just shown up during the Carboniferous period and were still living in the water.

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I'd say first question, "life changes over time".
Second question, "when there are physical similarities in the early stages of embryonic development, it suggests that each of the modern organisms once had a common ancestor".
Third, appendix.
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Fifth, "they all share at least 50% of the same DNA arrangement".

I might be a little late but hopefully this helps!
8 0
3 years ago
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