A ) MONOCOTS OR MONOCOTYLEDONS ==
1) Seeds with a single cotyledon.
2) Fibrous root system
3) Leaves with parallel venation ( Exceptions exist )
4) Stem shows scattered vascular bundles, with no pith at the center .
5) Flowers show trimerous symmetry.
Example - All cereals , lilies and bamboos.
B ) DICOTS OR DICOTYLEDONS ===
1 ) Seeds with two cotyledons .
2 ) Tap root system , at least initially.
3 ) Leaves with reticulate venation .
4 ) Stem shows vascular bundles in a ring around a central pith.
5 ) Flowers show tetra or pentamerous symmetry.
Examples are = All Pulses , Sunflower , Periwinkle.
Answer: Chemical changes are different from physical changes because chemical changes have a chemical reaction.
Explanation: A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Often, physical changes can be undone, if energy is input. It's on google.
Answer:
<u>superficial</u>.
toward the surface of the body.
Explanation:
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Diffusion.
Simple unicellular organisms rely on diffusion to disperse and transport materials within themselves.
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The answer is phototropism