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What else can I help you with?
Would it be true to say that extinctions only occurred in the past?
false
Have extinctions occurred in the past?
Yes, extinctions have happened throughout history, they are happening today and will continue to happen in the future.
Past mass extinctions most likely occurred as a result what?
Sudden changes in environmental conditions.
How many mass extinctions have occurred in the past 4 billion years on earth?
There have been five mass extinctions in the past 4 billion years on Earth. These events resulted in the widespread loss of species and fundamentally reshaped the evolution of life on our planet.
What is Sources of evidence about past extinctions?
fossils
Is it true that extinctions only occur in the past?
Every single extinction has happened in the past. If an extinction is happening this instant we will not know about it until it is in the past. As and when any future extinctions happen we will not know about it until it is in the past.
How do you spell past tense of occur?
The past tense of occur is occurred.
What is the past participle of the verb to occur?
THE PAST Participle of occur is occurred!
What is the past tense for the word occur?
The past tense of the word "occur" is "occurred."
How do you spell the past tense of 'occur'?
The past tense of "to occur" is occurred.
Only people cause plant and animal extinctions.?
False A+
What is the past participle of occur?
The past participle is occurred.
