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svetlana [45]
2 years ago
10

Where are most of thetundra regions found onEarth?​

Biology
1 answer:
laila [671]2 years ago
7 0

Answer:

North Pole

Hope this answer helps you.

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Which three kingdoms have organisms that can photosynthesize ?
Leno4ka [110]

Answer:

protista, bacteria. archaea, fungi.

Explanation:

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2 years ago
What’s a anhinga in a food web?
Andreyy89

Answer:Ahingas are secondary consumers in a food web.

Explanation:They are carnivores and there diet includes tadpoles, frog eggs, young alligators, water snakes, etc.

5 0
2 years ago
The cell membrane of a red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. Since other substan
Mrrafil [7]

Answer:

The correct answer would be B. semi-permeable.

Plasma membrane of any cell including red blood cell is semi-permeable in nature as it is made up of lipid bilayer.

It permits the passage of certain substances across the membrane while it blocks other substances.

Gases, small uncharged or non-polar substances such as oxygen, carbon dioxide, et cetera can easily pass through the cell membrane of a cell.

Large or charged molecules such as proteins, sodium ions, potassium ions et cetera can not pass through the cell membrane. They require carrier proteins to pass through the membrane.

4 0
3 years ago
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Molluscs with a ventrally flattened foot that move via muscle contractions along this structure are called
pishuonlain [190]

Gastropods are centrally flattened molluscs that move via muscle contractions.

<h3>What are gastropods?</h3>

Gastropods are invertebrates animal that belong to the phylum molluscs. Examples of gastropods are snails and slugs. The lol be in either salt water or freshwater or land. Their body parts include head,mantle, body mass and shell. They have muscular foot which help in movement through muscular contractions.

Therefore, Gastropods are centrally flattened molluscs that move via muscle contractions.

Learn more about gastropods here.

brainly.com/question/18943590

6 0
2 years ago
Explain how foods move through the digestive system, describing the actions of the organs, muscles, and digestive secretions alo
LekaFEV [45]

Answer:

Foods are ingested by the mouth where they are chewed by the teeth and savored by the taste buds present in the tongue. In the mouth, saliva breaks down food into substances that are easier to digest. Subsequently, the pharynx allows food to be swallowed and it pushes the food into the esophagus, the contractions of the esophageal muscle allow the movement of the food through the esophagus and to the stomach where the food is mixed with the  juices and are mostly digested. In the stomach nutrients are absorbed. There are particles that are not absorb and they pass to the intestine where other nutrients are transported to the blood, then pass to the large interstinum where there is water absorption and stool formation that are expelled through the rectum.

4 0
3 years ago
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