2 years ago

Humans, plants and mushrooms are all alive. What do these organisms have in common?

Biology

1 answer:

miskamm [114]2 years ago

6 0

Answer:

Humans, plants, and mushrooms all are made of cells.

Explanation:

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Nady [450]

Answer:

minerals and industrial.

Explanation:

Human activity can contaminate water resources by introducing excess minerals such as nitrogen and phosphorous found in industrial and human waste. The agricultural activities such as applying fertilizer and pesticides pollute the water bodies while on the other hand, human waste which is not properly dispose pollute the environment and water bodies that has adverse effect on the environment and its organisms that are present in it.

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2 years ago

Which specialized cells act as a barrier to protect tissues within the body

marshall27 [118]

Epithelial cells protect tissues

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3 years ago

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A mother, father, and son live together in the same house. The mother passes a cold to her son. The son then passes the cold to

posledela

Answer:

Option c (No, T cells left from the previous infection can kill any virus.

)

Explanation:

When ever viral infection occur, body's immune system start to fight against it by activating B-cells and T-cells.

B-cells produce antibodies that bind with virus and act as label. This label indicate virus as foreign substance. Hence T-cells recognize it and kill it. Furthermore, B-cells form memory cell that keep the viral memory. if this viral infection occur again in future, T-cell recognize it and eliminate the virus.This mechanism is called immunity.