Question 3 1 points Save Which of the following is NOT a main division of plants

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Question 3 1 points Save

Which of the following is NOT a main division of plants?


vascular

non-vascular

both a and b

none of the above


Question 5 1 points Save

Some anatomical similarities suggest that _____ and sphenophytes may have shared a common ancestor.


insects

amphibians

algae

ferns


Question 7 1 points Save

The early _____ period is also known as the "age of crinoids."


Cambrian

Carboniferous

Devonian

Silurian
Question 8 1 points Save

There appears to have been no mass extinction associated with the _____ period.


Cambrian

Carboniferous

Devonian

Silurian
Question 9 1 points Save

Which period spanned the time between 286 and 245 million years ago?


Cambrian

Permian

Devonian

Silurian

Explanation / Answer

1) None of the above 2) ferns 3) Carboniferous 4) Carboniferous 5) Permian

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