How you think reproduction differs among these four animals. a. bird. b. human c. ants d. sea stars

What does it mean for a cell membrane to be selectively permable

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which direction does the energy flow in this energy pyramid ?