Q: What type of rocks form from cooled magma or lava? Choices: - granite - sedementary - metamorphic - igneous A:
igneous

Q: Isotopes are named for their number of ______ plus neutrons? Choices: - electrons - atoms - nuclei - protons A:
protons

Q: Q: What is the arrangement of a t-tubule with the membranes of sr on either side called? Choices: - aracnid - orchid - acid - triad A:
A: triad

Question: Q: Porifera are parazoans that exhibit simple organization and lack true what? Choices: - molecules - nuclei - cell membranes - tissues A:
Answer: tissues

*Question*
Q: Increasing what property of dirt would make it easier to rinse off your hands? Choices: - turbidity - density - viscosity - solubility A:
**Answer**
solubility

*Question*
Q: What are colonies of cells stuck to a surface called? Choices: - membranes - cellular coating - membranes - biofilms A:
**Answer**
biofilms