1. If a wave is traveling across a boundary from a material of low density to high density will the velocity of the wave increase or decrease?

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around.the heterotrophic protists would since they use them to gather food.the parasitic protists would since they need to find other organisms to attack.the autotrophic protists would since they must move to find light.

What type of cell undergoes meiosis

What is the next step in muscle contraction after the actin changes shape?