Explain how organisms that are widely different in morphology can have a close evolutionary relationship.

Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?