Answer:
In the human body, cells are the basic units of life. Groups of cells working together for a specific function form tissues. Organs are two or more tissues operating together. Even separate organs work together, forming body systems.
Dna is by growing in ur body so the dna is the living organisms
A) Amino acids are small molecules that are the building blocks of proteins
b) Hydrocarbons are molecules that contain only carbon and hydrogen.
c) A carbohydrate is a biomolecule consisting of carbon, hydrogen and oxygen atoms, usually with a hydrogen–oxygen
d) Alcohol is an organic compound with one or more hydroxyl groups.
e) Cholesterol is a waxy type of lipid, a substance that is insoluble in water, like oil or fat.
Answer:
Without the tree the cow couldn't live.
Explanation
The cow breathes in oxygen and breathes out carbon dioxide. The tree uses cellular respiration and photosynthesis in order to take carbon dioxide (which the cow produces) and make it into oxygen (which the cow needs to breaths).