Newton extended Kepler's first law by showing that objects such as comets can also have orbits shaped like

How do we know the moon exist?

Why do plants need chloroplasts?

What offspring will result from the mating of a non-carrier female and a hemophilic male?

Who came up with the cell theory and the three cell theory?

How does the function of the flagella in the sponge differ from other protists?

What are RNA used for?

What did frederick griffith want to learn about bacteria?

Which type of chromosome alteration results in the formation of a tetravalent (cross-like) structure at synapsis?

When place in water eggs will float with the light side down. What is the advantage of this?

How is a warm front different from a cold front? Warm fronts cause snow flurries in the winter, while cold fronts cause several days of rainy weather. Warm fronts cause rapid changes in weather, while cold fronts cause several days of cloudy weather.