A zygote is the product of fertilization. The diploid zygotes of the four organisms seen here all underwent mitosis and differentiation in order to produce the four very different embryos. The differentiation of cells during embryogenesis is the key to cell, tissue, organ, and organism identity. Once an egg is fertilized by a sperm, a zygote is formed. The zygote divides into multiple cells by mitosis, triggering the beginning of embryonic differentiation. <span />
Answer:
a)Osteoclasts
b)Osteoblasts
Explanation:
a) destroys the bone matrix
b) have osteogenic functions
B. defiantly b. because it can survive in most climates.
Answer:
A
Explanation:
The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place. Hope this helps! :)