There is no image or choices so what exactly do you want us to answer.
500 million for the first picture and for the text i guess it evolved physical reproductive body cells and parts that makes sexual reproduction change as itself as well as birth due to not only human nature but man made things as well, example: hospitals, medicine, chemicals, etc.
Explanation:
they used the amino acid to find the DNA base sequence
Answer:
An embryo sac is said to form when the haploid megaspore nucleus divides. It possesses two haploid nuclei and six haploid cells which do not have cell walls.
Explanation:
Answer:
electrical energy
The generator, in turn, converts the mechanical (kinetic) energy of the rotor to electrical energy.