Q: Q: What is the formation of organs from the germ layers called? Choices: - photosynthesis - synaptogenesis - biosynthesis - organogenesis A:
A: organogenesis

Q: Q: Roundworms are intervertebrates that belong to which phylum? Choices: - annelida - Gordiacea - amoebozoa - nematoda A:
A: nematoda

Q: Q: When drinking water is treated, what is the term for when chemicals cause solids in the water to clump together? Choices: - clumping - oxidation - plasma - coagulation A:
A: coagulation

Q: Q: What is the term for when clumped solids sink to the bottom of the water? Choices: - Clumping - sediment - Foundation - sedimentation A:
A: sedimentation