Because particles move randomly, molecules tend to move across the membrane in both directions. does the model indicate that the molecules are moving in equal amounts in both directions? justify your answer using complete sentences.

Because particles move randomly, molecules tend to move across the membrane in both directions. Yes, the  model indicates that the molecules are moving in equal amounts in both directions. This calld the state of equilibrium where the forward and backward movements are equal hence the net movement  is equal to zero

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands