Define the Term "Endosymbiont" and Give an Example of an Endosymbiotic

question 17

Essay

Define the term "endosymbiont" and give an example of an endosymbiotic relationship found in nature.

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Definitions:

Blastula Stage

An early stage in the embryonic development of animals characterized by a spherical layer of cells (the blastoderm) surrounding a fluid-filled cavity (the blastocoel).

Ciliary Action

The movement of cilia, tiny hair-like structures, that help to move fluid or materials across the surface of certain cells.

Muscular Contraction

Muscular contraction is the process where muscle fibers shorten or contract, generating force and movement in the body.

Extraembryonic Membrane

These are membranes outside the embryo that play vital roles in development and exchange in vertebrate embryos, such as the amnion, chorion, and others.