The embryos of all animals undergo gastrulation, a dramatic reorganization of cells critical to formation of the animal body. do you understand all the terms associated with gastrulation?

Terms associated with gastrulation includes blastula, gestation, germ layers, endoderm, mesoderm, ectoderm e.t.c

Explanation:

Gastrulation is a process involving a complex series of cell shape changes and cell movement that occurs in the blastula. It occurs during the development inside the womb over a period of time before birth.

The period of development is known as Gestation. These cells move and rearrange dramatically in the blastula creating the embryonic tissue layers which in turn produces the tissue and organs of the adult animal.

Blastula is an animal embryo or egg at the early stage an early stage of development when the cells are still in the shape of balls.  

Germ layers: the formation of the embryonic tissue

During the gastrulation process, three germ layers are formed

1)Endoderm: the inner most layer  

2)Mesoderm: Middle layer

3)Ectoderm: outermost layer

Cells that are tightly attached to each other via junctions will move as cell sheets

Invagination – Cell sheet dents inward  

Involution – Cell sheet rolls inward

Delamination – Cell sheet splits in two  

Ingression – Cells break away from cell  sheet and migrate as individual cells

Archenteron- or embryonic gut/digestive cavity of the embrayo which eventually becomes the digestive tract

Blastoderm: is a single layer of embryonic tissue that later develops to the blastula and divides into the three germ layers from which the embrayo develops

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answer:

the water molecules are transferred from the roots to the stem or top parts of the tall tree because of important properties of water which are adhesion, cohesion and capillary action. cohesion is the property of water molecules keeps water molecules in a combined state by sharing of bonds between them at the atomic level. adhesion allows the interaction of water molecules with other substances or substrate. adhesion will cause the attachment of water molecules to the wall of the vessel (xylem) of the plant. capillary action occurs when the adhesive force to the vessel wall is stronger than the cohesive force between water molecules. capillary action mimics the transfer of water from a tube or pipe. in this way water utilizes its property to transfer water from down to top level of the plant.