Im pretty sure that its mice share an ancestor with humans and homolougus
Answer:
The correct answer is the first statement.
Explanation:
During animal development, a zygote divides further to give rise to an eight-cell stage that further gives rise to blastula and gastrula. The zygote refers to a diploid cell generated as an outcome of the process of fertilization, it proliferates various times to give rise to a blastula comprising a monolayer of cells.
B) Viens
The veins have valves to keep the blood pumping out and not coming back in the heart.