Q: The conductive cells within the heart establish the heart rate and transmit it through the what? Choices: - meiosis - conduction - neurons - myocardium A:
myocardium

Q: What is another word for seed plants? Choices: - protosperm - phyla - echinoderm - gymnosperm A:
gymnosperm

Q: Q: What is the membrane that surrounds a fetus called? Choices: - cell membrane - umbilicus - umbilical sac - amniotic sac A:
A: amniotic sac

Question: Q: What cells do lymphocytes originate from in the bone marrow? Choices: - brain cells - kahp cells - calcium cells - stem cells A:
Answer: stem cells

*Question*
Q: What do you call any process in which excess water or wastes are removed from the body? Choices: - digestion - diffusion - depletion - excretion A:
**Answer**
excretion

(Question)
Q: Contour tillage helps slow water run-off and what process that causes topsoil loss? Choices: - water erosion - ice shelf erosion - plate tectonics - soil erosion A:
(Answer)
soil erosion