A chemical bond a. is physically broken. b. holds protons together. c. holds atoms in a molecule together.

The butterflies shown below all belong to the same species, but one of them has inherited a rare mutation for blue wings rather than orange wings. The butterflies feed on nectar from orange flowers, and their color acts as camouflage while they feed.

If bacteria are not trapped before air enters the lungs they can cause an infection. state the name of this disease

Mason took 9.4 minutes to complete the first challenge in the Champs challenge. He completed the Second Challenge 2.65 minutes faster than the first challenge. How long did it take Mason to complete the Second Challenge?

If a student tests a carrot with iodine and that test is negative what can that student conclude about the carrot?

What kind of compound are hormones

What is the primary ecological role of prokaryotes? what is the primary ecological role of prokaryotes?

What can be expected if environment changes occur that favor a certain characteristic of an animal

Your biology instructor has assigned you a lab exercise to test a hypothesis regarding the inheritance of stem length in pea plants.

Which layer of skin is least protected by melanin?

A true-breeding purple plant and a true-breeding white plant cross-pollinate. The offspring will be