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Stella [2.4K]
3 years ago
14

A malignant tumor has begun to allow cancers cells to enter the _____.

Biology
1 answer:
Sholpan [36]3 years ago
5 0

A malignant tumor has begun to allow cancers cells to enter the brain. Maligant tumors divide into primary tumors which start with the brain and secondary tumors which scatter from somewhere else which is called brain metastasis tumors.

There are symptoms which produce by brain tumors. For example, a problem with vision, vomiting, mental changes and headache. The important problem may include having difficulty in walking. The cause of brain tumor is unknown but the most risk factor is that it may be inherited neurofibromatosis, ionizing radiation and vinyl chloride.

Medulloblastoma is the type of malignant tumor in children. The medical examination which is computed by tomography can diagnose it. Treatment of a malignant tumor is chemotherapy, radiation therapy and surgery.

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4 years ago
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Alex17521 [72]

Answer:

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3 years ago
Based on the graph above, how is the population of older female elephants different from the younger female elephants
Ludmilka [50]

Population of older female elephants different from the younger female elephants is described below.

Explanation:

  • THE OLDEST ELEPHANTS wandering Mozambique’s Gorongosa National Park bear the indelible markings of the civil war that gripped the country for 15 years: Many are tuskless. They’re the lone survivors of a conflict that killed about 90 percent of these beleaguered animals, slaughtered for ivory to finance weapons and for meat to feed the fighters.
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  • New, as yet unpublished, research she’s compiled indicates that of the 200 known adult females, 51 percent of those that survived the war—animals 25 years or older—are tuskless. And 32 percent of the female elephants born since the war are tuskless.

  • A male elephant’s tusks are bigger and heavier than those of a female of the same age, says Poole, who serves as scientific director of a nonprofit called ElephantVoices. “But once there’s been heavy poaching pressure on a population, then the poachers start to focus on the older females as well,” she explains. “Over time, with the older age population, you start to get this really higher proportion of tuskless females.”

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3 years ago
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