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reproduction
Reproduction
Question | Answer |
---|---|
Asexual Reproduction | Reproduction with only one parent |
Sexual Reproduction | Reproduction with 2 parents |
Zygote | The first cell of a sexually reproducing organism |
Embryo | An organism in early developmental stages.(In humans the first 2 months) |
Fetus | An unborn organism that has developed systems(In humans, months 3-9) |
Placenta | The place of diffusion between a mammal mother and baby. |
Umbilical Cord | The tube that connects mammal mothers to the baby in the womb |
Diffusion | The process that allows oxygen, water, food in and lets CO2 and waste out. |
Blastula | A ball of cells formed from cleavage of the zygote |
Differentiation | When cells become specialized |
Endoderm | The inner layer of the gastrula that becomes the digestive and respiratory system. |
Mesoderm | The middle layer of the gastrula that becomes the muscle, circulatory system and skeleton |
Ectoderm | The outer layer of the gastrula that becomes the skin, hair and nails |
Stamen | The male part of the flower that produces pollen |
Pistil | The female part of the flower that produces eggs(ovules) |
Seed | A developed ovule |
Epicotyl | Develops into the stem in plants |
Hypocotyl | Part of seed that develops into roots |
Cotyledons | Develop into seed leaves |