Which of these organisms lacks nervous tissue? jellyfish. sponge. nematode. earthworm.

What causes the flu?

Which of these four causes herpes: bacteria? virus? fungus? plant? answers?

Which of the following may be members of the kingdom Archaea?

Identify the polymers that are found in natural sources. not all of the polymers listed are found in natural sources.

Hummingbirds and moths both have long tongues specialized for drinking nectar from tube shaped flowers, but hummingbirds are active in the daytime, while moths generally come out only at night. Do they compete? Explain.

What properties of bone prevented matt from breaks and damage to internal organs?

What minerals are formed when shale and basalt are exposed to low grade metamorphism

Unlike ionic bonds covalt bonds involvethe

11. Which set of conditions produces water with the highest density? A high salinity, low temperature B high salinity, high temperature. C low salinity, low temperature D low salinity, high temperature.

Animals with bilateral symmetry___ A. Have a distinct head end B. Have no definite shape C. Can only move in one direction D. All live in the water