Answer:
The answer is B - proteins are large molecules
The genotype for both parents is Br. if using B= black and r = red
How long ago did two species of birds share an ancestor
Answer:
Explanation:
The tar located in the La Brea tar pits is today a fossil fuel that began its formation many hundreds of millions of years ago from the bodies of marine organisms. During the last ice age that ended a few tens of thousands of years ago, some animals got trapped in the tar and left their bones behind. They are not something that created it but only got trapped in preexisting tar.