<span>.Though unicellular [amoebas] have all the necessary cell organelles and a well-defined nucleus, therefore fulfilling the characteristics of eukaryotes.</span>
Answer:
1) The main function of the male reproductive system is to produce and transport sperm.
2) The male reproductive cells are produced in the testes, which are contained in the scrotum.
3)These cells travel through a tube, where they are mixed with fluids from glands to form semen.
Explanation:
Sperm cells are produced in male organism in the oval structure called testis. Sperm cells contain genetic information lf these sperm cells combines with the female egg cells, it produces zygote which turns into a new baby organisms. The new organism is different from their parents because half genes comes from male and half from female.
Answer:
G
Explanation:because on the graphs is shows a huge drop of fossil tracks in the late Jurassic years
Answer:
I believe its RNA
Explanation:
RNA is the new copy of DNA
Two atoms that contain the same number of protons but different neutrons are isotopes of the same element.their masses are different but they react the same way chemically