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Most of the human body is made up of water, H2O, with cells consisting of 65-90% water by weight. Therefore, it isn't surprising that most of a human body's mass is oxygen. Carbon, the basic unit for organic molecules, comes in second. 99% of the mass of the human body is made up of just six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. # Oxygen (65%) # Carbon (18%) # Hydrogen (10%) # Nitrogen (3%) # Calcium (1.5%) # Phosphorus (1.0%) # Potassium (0.35%) # Sulfur (0.25%) # Sodium (0.15%) # Magnesium (0.05%) # Copper, Zinc, Selenium, Molybdenum, Fluorine, Chlorine, Iodine, Manganese, Cobalt, Iron (0.70%) # Lithium, Strontium, Aluminum, Silicon, Lead, Vanadium, Arsenic, Bromine (trace amounts)
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What do dead plants and animals eventually become?
They are recycled either back into more biological materials or back into their constituent elements (or compounds of these elements).
What nonmetallic element that combines with most elements and is essential for plants and animals?
Oxygen.
Why do animals eat plant?
Plants are producers they trap sunlight and make it into sugars. Only plants can do this and therefore animals need to eat plants as food to get the energy that plants have made to live.
A type of fiber that is made from plants or animals is classified as?
natural
Describe how animals and plants are codependent?
Animals and plants are codependent upon on another for several reasons. Namely, animals depend on plants for nourishment while plants depend on animals for fertilizer.
What are plants and animals made of?
Elements in Animals are: Elements in plants: 63% oxygen 76% oxygen 19% carbon 11% Carbon 4% nitrogen 10% hydrogen 2% calcium 1% Phosphorus 1% Nitrogen 1% nitrogen 1% other Elements 1% other elements
What are the five elements found in plants and animals?
carbon
What are the living elements of an ecosystem?
They are plants, animals, and organisms.
What are some of the elements of ecosystems that are lost when plants are removed?
Animals
What are the three living elements in a ecosystem?
plants animals fungi
Well over 90 percent of the body structures of both plants and animals are made up of four elements list 4 elements?
Hydrogen, Oxygen, Carbon and Nitrogen
What do dead plants and animals eventually become?
They are recycled either back into more biological materials or back into their constituent elements (or compounds of these elements).
What are animals made of?
Animals are made up of many cells which are seldom to plants
Which gemstone are made from plants and animals?
i
Elements make up the physical environment of the community?
human, plants and animals
What is the biotic elements found in the tropical rain forest biome?
Plants and animals.
What nonmetallic element that combines with most elements and is essential for plants and animals?
Oxygen.
