A 17-year-old male is brought to the emergency department for treatment of injuries received in a motor vehicle accident. A spinal cord injury is suspected. The two regions most likely to be damaged are the:

Choose the molecule that is described by each phrase. energy used during long activities:

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human