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#Question id: 8926

Sponges and cnidarians are among the fossilized animals found in both the Ediacara Hills and the Burgess Shale from the Rocky Mountains of British Colombia. This observation requires that

#XL - R Botany

ancestral sponges and cnidarians had formerly been terrestrial animals.
North America and Australia were united to each other about 550 million years ago (mya).
land that now comprises the Ediacara Hills and the Rocky Mountains was underwater about 550 million years ago.
only sponges and cnidarians existed at the time the sediments were deposited.

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TLS Online TPP Program

#Question id: 1762

#XL - Q Biochemistry

What do Th1 cells secrete?

TLS Online TPP Program

#Question id: 15708

#XL - S Microbiology

In many species hormone which promotes SE and shoot bud regeneration and markedly improves SE maturation is

TLS Online TPP Program

#Question id: 764

#XL - Q Biochemistry

Which of the following is NOT correct about tRNA?

TLS Online TPP Program

#Question id: 3615

#XL - R Botany

What are alleles?

TLS Online TPP Program

#Question id: 758

#XL - Q Biochemistry

Both miRNAs and one strand of siRNAs are bound by proteins to form a ribonucleoprotein complex called: