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It is more efficient for people to eat plants instead of animals because plants (generally) take less time to grow and less space. Also, plants offer up the most energy to be gained since they are the base of the energy period and receive their energy directly from the sun; this also means that they are the group with the least amount of energy lost in heat.

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How do animals and humans obtain energy to keep them?

Animals and humans eat food to stay alive. Metabolic processes break down the food (plants and animals) to obtain energy, and the materials needed to build and repair the body.


How do humans and animals obtain energy to keep them alive?

Animals and humans eat food to stay alive. Metabolic processes break down the food (plants and animals) to obtain energy, and the materials needed to build and repair the body.


What Must eat food to obtain energy?

humans animals and fishes etc


Why human must eat?

Humans are animals, and all animals require energy to move, and reproduce. They obtain that energy from ingesting food, and digesting it.


Most other creatures obtain their chemical potential energy by what?

Animals (including humans) obtain their energy by digesting food, taking out the energy content and excreting the waste. Plants get their energy by photosynthesis through sunlight.


What organism may eat plants animals or both to obtain energy?

An omnivore is an organism that can eat both plants and animals to obtain energy. Examples of omnivores include humans, bears, and raccoons.


How do plants and animals cell obtain energy?

obtain energy from nucleas


Animals obtain their energy and carbon from what?

Animals obtain their energy and carbon from the food they ingest. Carbohydrates and protein are a good source of carbon and energy.


How do leeches obtain energy?

humans


Animals obtain their energy and carbon from?

Animals obtain their energy and carbon from consuming other living organisms, such as plants or other animals. They break down these organic molecules through digestion to extract the energy and carbon they need for their own growth, metabolism, and reproduction.


How are animals good compainans to humans?

'How are animals good companions to humans?' Animals grow attached to humans simply over time, with love, and affection given by both animal and human. When well cared for animals may become close companions. Animals are often better or easier companions that humans as animals require less attention, funds, and education. Where humans may be hurtful and it is often harder to obtain relationships.


What role do humans and animals play in the process of photosynthesis?

Humans do not play a direct role in photosynthesis. Animals consume plants (or plant-eating animals) to obtain the energy produced during photosynthesis. Plants use sunlight, water, and carbon dioxide to make glucose, which is used as energy by both plants and animals.