1. Some bloodsucking insects insert their mouthparts directly into a blood vessel and withdraw biod. Other
bloodsucking insects have mouthparts that cut through the skin and blood vessels, and produce a small poslo
blood from which they feed. Both mouthparts types are specialized for:
a autotrophic nutrition b. heterotrophic nutrition c regulation d excretion

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.