Apply the concepts of energy efficiency and the second law of thermodynamics in explaining how to reduce carbon dioxide emissions from automobile.

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.

How do the evolutionary chart and the video support the claim that all living things are made up of cells?