<u>Answer:</u>
The human beings serve as replica/model of the mammals.
<u>Explanation:</u>
- A mammal is a vertebrate and it has fur, mammary glands (female) and feeds the young ones with milk, a neocortex (region of the brain) and three middle ear bones. This differentiates them from reptiles and birds.
- All mammals are 'warm blooded' because the body temperature heats the blood.
- A few mammals like the platypus lay eggs. The mammals are at the top of the food chain.
Answer:
Gametes cells are reproductive cells.
Explanation:
Gametes cells, ovum in female and sperm in male are single cell
... Help in reproduction by fussing together produce zygote which change into embroy and then a baby.
The correct answer is emerging adulthood.