Because if animals dint have a good habitat they wont have a desent place to bd in
They are the same in that most of the reproductive organs of both sexes develop from similar embryonic tissue, meaning they are homologous. Both systems have gonads (male have testes and female have ovaries) that produce gametes (testes produce sperm and ovaries produce egg or ovum) and sex organs.
6 images:
1 2
3 4
5 6
Interphase: image # 4
Prophase: image #6
Metaphase: #1
Anaphase: #3
Telophase: #2
Cytokinesis: #5