Sunlight, water, carbon dioxide, and chlorophyll :)
Viruses cannot reproduce. they instead copy themselves with the help of a host cell. a cell can reproduce and doesn’t need help from other cells
<span>Opaca and Marginal zone stays outer and does not move during chick gastrulation,
The zone opaca is a thick fringe ring comprising of more than one cell, it is joined to the germ wall. The Marginal zone lies at the fringe between the range opaca and the region pellucida</span>
D.) ovum. this is because haploid cells are present during mesois, which occurs in the reproductive organs. diploid cells are full counted cells which occurs in mitosis
