As a seed plant germinates, the new plant is called a(n) after the leaves first open. answers provided 1.embryo 2.seeding 3.stem 4.egg

 Germination is the growth of a plant contained within a seed.
As a seed plant germinates, the new plant is called an embryo after the leaves first open. More precisely it is called radicle. The radicle is the first part of a seedling (a growing plant embryo) to emerge from the seed during the process of germination. 

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