Q: Class bivalvia ("two shells") includes clams, oysters, mussels, scallops, and these? Choices: - grendels - crabs - octopuss - geoducks A:
geoducks

(Question)
Q: Both oxygen and glucose are transported within the body via what? Choices: - bone - heart - marrow - blood A:
(Answer)
blood

Ques: Q: How is blood supplied from the mother to the fetus? Choices: - brain stem - vagina - spinal cord - umbilical cord A:
Ans: umbilical cord

(Q).
Q: Antibiotics can cure most infections that are caused by what? Choices: - bacterium - algae - bile - bacteria A:
(A).
bacteria

Ques:Q: Vertebrates are all chordates that have a what? Choices: - circulatory system - fossil - brain - backbone A:

Ans:backbone

Q: Energy from sunlight enters many ecosystems through what process? Choices: - multiplication - reproduction - isolation - photosynthesis A:
photosynthesis