Which organisms have roundworms as a common ancestor?

mollusks and flatworms

sponges and chordates

flatworms, sponges, and cnidarians

mollusks, echinoderms, chordates, and annelids

Mark this and return

How would you advise someone who is worried about chemicals in food

3. How do osteoclasts break down the bone? A. Using stress B. Using enzymes and acids C. Using minerals D. Osteoclasts do not break down the bone 4. The reasons astronauts must constantly exercise in orbit is due to A. Excess of nutrients B.

A 45-year-old male client with a confirmed DVT is being discharged from the ED. Which of the following client statements indicates that the client has received proper nursing instruction and understands how to manage his condition?

Three friends were walking along a Beach in New England. They looked closely at the Sand and noticed it was made up of tiny particles of Rock. They had different ideas about where the Sand came from.

Which organisms are classified as secondary consumers?

Which is a type of muscle that powers the cardiovascular system? A. Skeletal muscle B. Cardiac muscle C. Cartilage muscle D. Smooth muscle

To investigate how the sex of an offspring is determined

Tightly curled hair is caused by a dominant autosomal gene in humans. This trait is rare among northern Europeans.

The rapid depolarization phase of the action potentials of myocardial contractile cells is due primarily to which ion (s) ?

Echinoderm reproduction typically is a. sexual reproduction by budding. b. sexual reproduction with internal fertilization. c. by regeneraton. d. sexual reproduction with external fertilization.