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9966 [12]
3 years ago
9

The all-or-nothing principle means that

Biology
1 answer:
Annette [7]3 years ago
8 0
Your answer is B.

The all or nothing principle means that an entire neuron depolarizes to its maximum strength.
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Pretty sure they're both A.

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Why is the world's loss of biodiversity a source of concern?
Vlad1618 [11]

Answer:

a) Humans depend upon other organisms for food and oxygen

Explanation:

Biodiversity refers to the richness in the species of organisms on Earth i.e the variety of biological organisms on the Earth. The importance of biodiversity cannot be overemphasized because of our dependence on the sustainability of biodiversity in our ecosystems.

The loss of biodiversity, which is becoming rampant by the day, is a major concern to us because we humans depend upon other organisms for food and oxygen. Humans are strictly heterotrophic and hence are reliant on variety of organisms for food. Plants also release oxygen gas via their photosynthetic process, which is key to our survival as a population.

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I would say yes because they would have less predators and a safer place to live. 
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During which part of the cell cycle is the duplicated genetic material within the nucleus of a parent cell separated to create t
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The answer is a. mitosis

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