Modern sea star larvae resemble some primitive vertebrate larvae this similarity may suggest that primitive vertebrates

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds