9. How call
10. Define
(a) Pollination
(b) Dispersal of seeds
(c) Crop rotation
(d) Germinalul
(e) Vegetative reproduc
(f) Reproduction
Answers
Answer:
1)transfer of pollen grains from anther to stigma
2)the seeds which are dispersal from one place to another
3)the exchange of croos because of fertility of soil
4)The germinal epithelium is the epithelial layer of the seminiferous tubules of the testicles. It is also known as the wall of the seminiferous tubules. The cells in the epithelium are connected via tight junctions. There are two types of cells in the germinal epithelium
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5)Vegetative reproduction is a method wherein new plants are produced by vegatative parts of a plant called propagules. The vegetative parts mean the leaf, stem and root. Vegetative propagation is grouped into the following two types: Natural vegetative propagation including reproduction by stem, leaf, and root.
6)Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction.
Explanation:
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1) Pollination:- Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.
2) Dispersal of seeds:- Seed dispersal by plants is a passive process in the sense that the plants are unable to choose the destination of their offspring. ... Even where plants have seeds with structures that enhance dispersal by wind, the majority of seeds fall near the parent plant.
3) Crop rotation:- Crop rotation is the practice of planting different crops sequentially on the same plot of land to improve soil health, optimize nutrients in the soil, and combat pest and weed pressure. For example, say a farmer has planted a field of corn.
4) Germination:- Germination refers to the process by which an organism grows from a seed or a spore. The most common forms of germination include a seed sprouting to form a seedling and the formation of a sporeling from a spore. Thus, germination occurs primarily in plant and fungal species.
5) Vegetative reproduction:- Vegetative reproduction is a method wherein new plants are produced by vegatative parts of a plant called propagules. The vegetative parts mean the leaf, stem and root. Vegetative propagation is grouped into the following two types: Natural vegetative propagation including reproduction by stem, leaf, and root.
6) Reproduction:- Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction.
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