The process of crossing over​

There are only about 250,000 known fossil species. true or false

Me.henley said, “in the rat race we call life, only the strong will survive.” he may have been referring to

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.