In 1977, there was a drought on the island. The vegetation disappeared and only cactus remained. What was the finches only food source?

The image shows embryos of three vertebrate classes

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence