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They don't. Plants were just fine before humans were ever around.

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14y ago

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Do humans need photosynthesis to survive explain your answer?

No, humans do not need photosynthesis to survive. Photosynthesis is a process by which plants make their own food using sunlight, but humans get their energy from consuming food, not sunlight. Photosynthesis is essential for plants, but not for humans.


Why do humans need to live?

Because in soil, plants grow and we eat those plants.


What is 1 thing plants need that humans don't?

soil


What do plants need that humans need?

Plantes need water just like us. Plantes need sunlight, we need vitamin D which is from sunlight. Plants need water so do we. Plants need nutrience we do too.


Why do humans need soil to live?

Because in soil, plants grow and we eat those plants.


What does water have in it that plants need?

It's just the same basic necessity that humans need...


What type of gas that plants need to make food?

Carbon Dioxide is needed for plants to make food.


How and why do humans use photosynthesis?

Humans are not primarily photosynthetic. Plants are. Plants use sunlight to synthesize chemicals that they need. They do not eat. Humans, in comparison, are omnivorous. We eat food to gain energy, so we do not need photosynthetic skin. However, we humans do synthesize vitamin D with the help of sunlight, so to that small extent we do engage in photosynthesis.


Do plants need water?

Yes they do. Otherwise they will die from dehidration like humans.


Why do humans need soil?

Humans need soil for various reasons, including agriculture for growing food, providing essential nutrients for plants, supporting ecosystems, filtering water, and preserving archaeological records. Soil also plays a crucial role in carbon sequestration and regulating the Earth's climate.


What effect do plants have on human respiration?

Oxygen is a gas that does not naturally replenish itself in the atmosphere and requires the work of photosynthesizing plants to replenish it. Humans breath oxygen that plants produce and the plants breathe the carbon dioxide that humans produce.


Why do humans need a digestive systembut not in plants?

Plants have chlorophyll that absorbs light in energy. We don't have that chlorophyll. Also plants Producers. Animals are consumers.