Which class of hydrocarbons contains at least one carbon-carbon triple bond? alkanes, alkenes, alkynes?

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

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?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.