i can't choose. they all seem right to me : /

why must cell division be different between asexual reproduction and sexual reproduction?

a. sexual reproduction requires that the amount of dna in a cell be halved.

b. sexual reproduction requires that the amount of dna in a cell be doubled.

c. sexual reproduction occurs in cells with more than one chromosome.

d. sexual reproduction involves a change in dna amount but not in the number of cells.

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million