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Reproductive Isolation Mechanisms Quiz

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Questions and Answers

What type of isolation prevents two different species from forming a hybrid embryo?

Behavioral isolation

Mechanical isolation

Temporal isolation (correct)

Habitat isolation

Which event prevents gene pools of different species from mixing after hybrid embryos are formed?

Adaptive radiation

Extinction

Reduced hybrid fertility (correct)

Reduced hybrid viability

In the context of chemical evolution, what process led to the gradual formation of small organic molecules?

Radiation

Adaptive radiation

Polymerization (correct)

Photosynthesis

Which atmospheric condition is associated with Oparin's prebiotic model in the text?

NH3 (C) Signup and view all the answers

What substance is highlighted as the original genetic material before DNA in the text?

RNA (B) Signup and view all the answers

What is the main role of mRNA in the cell?

Assisting in protein synthesis (B) Signup and view all the answers

Which event happened first in the evolution of photosynthesis according to the text?

Evolution of anaerobic autotrophs (A) Signup and view all the answers

What is a defining characteristic of eukaryotes based on the text?

Ability to divide within cells (B) Signup and view all the answers

Which group evolved from freshwater green algae according to the text?

Plants (D) Signup and view all the answers

What is a notable characteristic of mammals based on the text?

"Probably egg-laying" (A) Signup and view all the answers