The front leg of an iguana and the wing of a bird look different, but both limbs likely evolved from the same limb of a shared ancestor.

structures such as these are said to be
a.
heterogeneous
b.
differentiated
c.
homologous
d.
vestigial

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because