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zhuklara [117]
3 years ago
10

1. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?

Biology
1 answer:
astraxan [27]3 years ago
8 0

1.   The oxygen requirements of an animal cannot be met by the process of     diffusion as diffusion is a very slow process. To overcome this, multicellular organisms have specialized cells and tissues for performing various necessary functions of the body such as intake of oxygen and food.

2.   What criteria do we use to decide whether something is alive? Any visible movement such as walking, breathing, or growing is generally used to decide whether something is alive or not. However, a living organism can also have movements, which are not visible to the naked eye.

3.   An organism uses outside raw materials mostly in the form of food and oxygen. The raw materials required by an organism can be quite varied depending on the complexity of the organism and its environment.

4.   The various processes essential for maintaining life are nutrition, respiration, transportation, excretion, control and coordination.

here it is hope it helps you out...

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Which scenario describes an interaction between two of Earth's spheres?
NARA [144]

Answer: The options are not given, here are the options.

Water flows from a stream to a lake.

Gravity moves rocks to another location.

Lions use energy to catch other animals for food.

Bears dig big holes in the ground to protect their young.

The correct one is Gravity move rock to another location.

Explanation:

The Earth spheres consist of the biosphere which is the living components, Hydrosphere (water), geosphere( rocks) and the atmosphere( gases). The Earth's spheres closely connected that a change in one sphere can result in change in another sphere.

For example, birds fly through the atmosphere, water(Hydrosphere) flow through the soil (lithosphere)

4 0
3 years ago
The moon's synchronous orbit around earth is the direct result of the gravitational relationship between the two, causing a ____
PSYCHO15rus [73]
The answer should be Tidal Lock (A), because this is when the event of the orbital position of an object (Earth) is matching the same rotation period as the other object (Moon). When these rotations are the same, the moon will always be facing the same direction as the Earth. I believe you made a typo because Tidal Rock is not even considered to be a term in science. It is not a Solar Tide (that isn't even concerned with the moon facing the Earth), magnetosphere isn't even related to the moon but its magnetic field, and a tidal "bulge" is the complete opposite and has the moon facing the completely opposite direction. Found this helpful? Give it a Brainiest award.
7 0
3 years ago
Chitin is a polysaccharide found in the cell walls of fungi<br> true<br> false
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true,

Hope I helped! ( Smiles )
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What process involves the turning off or on the genetic information of a cell?
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The answer is A. Differentiation

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This statement is true.

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