Spiegelman and Colleagues Demonstrated Natural Selection in RNA Replications Because

question 1

Multiple Choice

Spiegelman and colleagues demonstrated natural selection in RNA replications because in their experiments

• A)RNA molecules had differential survival and replication rates.
• B)RNA was self-replicating.
• C)the researchers chose which RNA molecules to replicate.
• D)RNA was copied into DNA.

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Definitions:

Vertebrate Evolution

The process of change and diversification in vertebrates over time, leading to the current diversity of species with backbones.

Lobe-Finned Fish

A class of fish known for having fleshy, lobed, paired fins, which are precursors to the limbs of terrestrial vertebrates.

Amniotic Egg

Egg that has an amnion, as seen during the development of reptiles (including birds) and mammals.

Reptiles

Cold-blooded vertebrates featuring scales or scutes, including snakes, lizards, turtles, crocodiles, and birds.