What do a mouse, a dandelion, and a shark all have in common?

a.
they have the same environmental requirements.

b.
they get their energy from other organisms.

c.
they use carbon dioxide to make their food.

d.
they need to take in water.

During binary fission, what events must occur before the cell splits into two new cells?

Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?

The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?