A cell has many organelles that make it possible for our bodies to function. What organelle creates energy for us to use? A. Ribosomes

B. Mitochondria

C. Endoplasmic Reticulum

D. Golgi Apparatus

Explain why phospholipid molecules form a bilayer. (3 marks)

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.