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kupik [55]
2 years ago
8

Does a kangaroo have a dorsal nerve cord notochord?.

Biology
1 answer:
777dan777 [17]2 years ago
3 0
It has a dorsal nerve chord
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If a branch is cut from a tree ,after some hours the stem remains firm explain<br> ?
hjlf

Answer:

The leaves no longer have water, which means that there is little osmotic pressure which keeps it turgid.

Explanation:

The stem still contains water because of the capillary action that occurs. However, since there is no strong attraction, the water cannot be pulled to the leaves.

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How do these equations explain why the total amount of O2 and CO2 remains the same?
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This constancy of the chemicals involved denotes that no particular reaction is taking place on the cells involved. For instance, during photosynthesis it would require CO2, H2O and photons to initiate the process. Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
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What factors contribute to membrane fluidity?
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3 years ago
Which of the following is the largest biome on earth?
AURORKA [14]

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taiga

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3 years ago
Which process is a squeezing motion of the circular layer of smooth muscle in the small intestine?
Over [174]

Segmentation is a squeezing motion of the circular layer of smooth muscle in the small intestine.

<h3>What is segmentation in the small intestine?</h3>

Segmentation, which mostly affects the small intestine, is made up of localized contractions of the Gastro-Intestinal tract's circular muscle. These contractions separate out little portions of the intestine, allowing their contents to move back and forth while being continuously divided, broken up, and mixed.

Our intestines' circular muscles contract during segmentation to churn food back and forth, rather like a washing machine. This churning helps break down food into tiny bits for digestion by allowing it to mix with gastric secretions in the intestines. By bringing chyme into contact with the intestinal walls during segmentation, the technique also helps to increase absorption.

Learn more about segmentation here:

brainly.com/question/2133778

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4 0
1 year ago
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