*Question*
Answer the following question given this paragraph: Flatworms can be free-living or parasitic. Tapeworms are parasitic flatworms. Q: Tapeworms are what type of flatworms? Choices: - single-celled - endogenous - symbiotic - parasitic A:
**Answer**
parasitic

*Question*
Answer the following question given this paragraph: Biochemical reactions are chemical reactions that take place inside the cells of organisms. Q: Where do biochemical reactions take place? Choices: - between cells - in atoms - outside of cells - inside the organisms' cells A:
**Answer**
inside the organisms' cells

*Question*
Answer the following question given this paragraph: Q: Tissues of marine bony fishes gain what from their surroundings? Choices: - toxins - absorb salts - mercury - excess salts A:
**Answer**
excess salts

*Question*
Answer the following question given this paragraph: Mouth Brooding. Some species of fish carry their fertilized eggs in their mouth until they hatch. This is called mouth brooding. If you look closely, you can see the eggs inside the mouth of the cardinalfish pictured here. Q: Some species of fish carry their fertilized eggs in their mouth until they hatch; this is called what? Choices: - internal reproduction - spawning - schooling - mouth brooding A:
**Answer**
mouth brooding