Gravitropism
Phototropism
Thigmotropism
D. a viral disease because it is known and unknown and spreads.
Hypodermis is not a layer of the skin
Eukaryotic cells contain several organelles it has: Mitochondria, chloroplasts, the endoplasmic reticulum, the golgi apparatus, and lysosomes. These organelles performs specific function critical to the cell's survival. <span />
This is known as Onesky.
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