Blastula only formed when the morula, a ball of cells is surrounded by a fluid-filled cavity. It is also produced by repeated cleavage of a fertilized egg.
2^7
3
Their apparent number of layers;simple epithelium with a single-layer offer less protection than Stratified epithelium having multiple layers. Also, simple epithelium functions in moving materials across its surface.
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millions of cells
The cells that form palisade tissue are the two upper layers of mesophyll cells, the cells that contain many chloroplasts to maximise photosynthesis.
thousands
Three
Three
3
w many layers of cells constitute the pericycle?
The zygote undergoes cleavage, a series of mitotic cell divisions, to form a blastula. Cleavage is important for increasing the number of cells while reducing their size, eventually leading to the formation of a hollow ball of cells known as the blastula.
Squamous cells are flat and circular shaped. These cells are found in many parts of the body such as the mouth, lips, cervix, and the middle layers of the skin.
A leaf is made of many layers that are sandwiched between two layers of tough skin cells
forty-six layers
meisos
Their apparent number of layers;simple epithelium with a single-layer offer less protection than Stratified epithelium having multiple layers. Also, simple epithelium functions in moving materials across its surface.
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millions of cells