Amphibians gave rise to the successful land dwellers, the ________, about 300 million years ago.
Fill in the blank(s) with the appropriate word(s).
reptiles
Amphibians gave rise to the successful land dwellers, the reptiles, about 300 million years ago.
Biology & Microbiology
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Scientists agree that life originated on Earth
Indicate whether the statement is true or false.
Biology & Microbiology
Spermatogenesis occurs in the _______ tubules.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
What would happen if there were no denitrifying bacteria?
What will be an ideal response?
Biology & Microbiology
The small basidia that form during a Ustilago maydis infection in corn trigger the plant to form ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology