How are meiosis and mitosis different?

a. tetrads are formed only during the process of mitosis.

b. mitosis produces haploid cells and meiosis produces diploid cells.

c. meiosis produces haploid cells and mitosis produces diploid cells.

d. chromatids are formed only during the process of meiosis.

Which entry is in the wrong position in the table?

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

What is the most abundant vertebrate on earth?