Answer: Sea stars move using a water vascular system. Water comes into the system via the madreporite. It is then circulated from the stone canal to the ring canal and into the radial canals.
Explanation: The radial canals carry water to the ampullae and provide suction to the tube feet.
The difference between a tornado watch and a tornado warning is a tornado watch means that there was a tornado spotted in an area/town nearby. And a tornado warning means that there is a tornado heading towards your town/area or that there already is a tornado in your town/area. Hope this helped!
Answer:
Pollen grains are also adapted for insect pollination. Some pollen grains are hairy or spiky, and others are sticky, so they attach to the insect. The anthers dangle in the breeze, and the pollen is blown away. The pollen grains are very small and light so they are easily carried on the wind.
Explanation:
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