10 Questions
What type of isolation prevents two different species from forming a hybrid embryo?
Temporal isolation
Which event prevents gene pools of different species from mixing after hybrid embryos are formed?
Reduced hybrid fertility
In the context of chemical evolution, what process led to the gradual formation of small organic molecules?
Polymerization
Which atmospheric condition is associated with Oparin's prebiotic model in the text?
NH3
What substance is highlighted as the original genetic material before DNA in the text?
RNA
What is the main role of mRNA in the cell?
Assisting in protein synthesis
Which event happened first in the evolution of photosynthesis according to the text?
Evolution of anaerobic autotrophs
What is a defining characteristic of eukaryotes based on the text?
Ability to divide within cells
Which group evolved from freshwater green algae according to the text?
Plants
What is a notable characteristic of mammals based on the text?
"Probably egg-laying"
Test your knowledge on the mechanisms of reproductive isolation, including prezygotic and postzygotic barriers that prevent different species from interbreeding. Learn about behavioral isolation, mechanical isolation, temporal isolation, habitat isolation, and gamete isolation, as well as postzygotic barriers such as reduced hybrid viability, reduced hybrid fertility, and reduced hybrid fitness.
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