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Basically, the sun. The sun then allows for photosynthesis to work. Then you have your oxygen, which provides both water and food.
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What does the body need to survive?
The essential things a human needs to stay alive are water, food and oxygen.
Examples of abiotic limiting factors?
All of these. Sunlight, food, oxygen.
What two things do plants produce?
Food And Oxygen
How do animals without blood get oxygen or food?
Most of those animals live in water, the water acts as blood, bringing the needed oxygen and food to the animal's cells.
What do humans need to be considered living?
Food,oxygen, & water
What organ in the human body is responsible for food and oxygen?
The heart is responsible for supply of food and oxygen to all the cells in your body. The function is done through blood supply.
What does the body need to survive?
The essential things a human needs to stay alive are water, food and oxygen.
What is a major source of food and oxygen for animal life in lakes and pounds?
They get food by the plants and animals living under the water and they get oxygen by the oxygen dissolved in the water
Examples of abiotic limiting factors?
All of these. Sunlight, food, oxygen.
What is necssary for life?
food, water, and oxygen
Why does water usually put out fire?
Water stops oxygen from getting to the flame, and oxygen is the fire's food.
3 basic needs of animals and humans?
Food, water, and oxygen.
What two things do plants produce?
Food And Oxygen
What fish need to live?
Food water oxygen
What do you need to go to Mars?
food water and oxygen
How does food water and oxygen enter cells?
By osmosis
What three things do all living things need?
Food, Water, Oxygen! Actually it's shelter, not oxygen. Oxygen is there anyway, so the 3 basic needs are: FOOD WATER SHELTER
