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Biology

Grade-6

Easy

Question

For speciation to occur, which of the following should be true?

There should be a barrier to gene flow between populations
There should be some genetic variability in the population
A population should be dispersed to an island
Both A and B

The correct answer is:
Both A and B

Related Questions to study

The process by which individuals have beneficial characteristics for reproduction in a specific environment and can produce more offspring is called?

The process by which individuals have beneficial characteristics for reproduction in a specific environment and can produce more offspring is called?

Which of the following is not a step of speciation?

Which of the following is not a step of speciation?

Darwin did his investigations on which Islands?

Darwin did his investigations on which Islands?

parallel

Most variations are found between

Most variations are found between

Which of the following describes geographical isolation?

Which of the following describes geographical isolation?

Which of the following does not cause extinction?

Which of the following does not cause extinction?

parallel

Variation occurs as a result of

Variation occurs as a result of

Species survive only if they are

Species survive only if they are

A species can be defined as an interbreeding population capable of producing what?

A species can be defined as an interbreeding population capable of producing what?

parallel

Fill in the blank with suitable noun:
The men sharpened their ________ in preparation for the brawl.

Fill in the blank with suitable noun:
The men sharpened their ________ in preparation for the brawl.

English-2Grade-6

Fill in the blank with suitable noun:
Why are you not wearing your _____?

Fill in the blank with suitable noun:
Why are you not wearing your _____?

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Fill in the blank with suitable noun:
Three _____ were arrested by the police for fraud

Fill in the blank with suitable noun:
Three _____ were arrested by the police for fraud

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Fill in the blank with suitable noun:
Mr. Anderson and Mr. Brian were named the _________ of the army.

Fill in the blank with suitable noun:
Mr. Anderson and Mr. Brian were named the _________ of the army.

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Why are you not wearing your _____?

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Fill in the blank with suitable noun:
I have bought two dozen of _______

Fill in the blank with suitable noun:
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