What are traits called that allow a species to survive or reproduce and are passed on to the next generation?
a) proteins
b) adaptations
c) tools
d) advantages

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain

What is the difference between topsoil and clay?