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-Dominant- [34]
3 years ago
6

What is a dorsal notochord?

Biology
1 answer:
dimaraw [331]3 years ago
5 0

Answer:

a long rodlike structure that develops dorsal to the gut and ventral to the neural tube. The notochord is composed primarily of a core of glycoproteins that are encased in a sheath of collagen fibers wound into two opposing helices. 

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Answer:

The water vascular system of echinoderms functions in locomotion and feeding.

Explanation:

The water vascular system of echinoderms is responsible for the functions in locomotion and feeding. The water vascular system is a hydraulic system that is used by echinoderms for example sea stars and sea urchins, for the purpose of locomotion (movement), food and waste transportation, and respiration. This system is composed of canals connecting numerous tube feet.

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DiKsa [7]

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Scientists would most likely want to forecast space weather in order to know if it is safe for not only to lift off into outer space, but to be able to help astronauts in any case of emergency if something were to happen in the future.

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