<span>If you google your question this comes up - Name the four classes of carbon-containing molecules used by living things, and explain how the nitrogen and carbon cycles contribute to the usable supplies of these macromolecules. The carbon-containing (organic) macromolecules necessary for life are proteins, carbohydrates, lipids and nucleic acids.</span>
Answer
The organism should be name as bacteria.
Explanation
Peptidoglycans is the characteristics features of bacterial cell its absent in cell wall of archaea, fungi and plant cell. Bacteria can also make amino acids. There are some bacteria who can prepare their own food in the presence of sunlight, i.e purple phototrophic bacteria, green sulphur bacteria, green filamentous bacteria etc. these bacteria contain photosythertic pigments called bacteriochlorophyll.
The cash crops are the crops, which has more commercial values as compared to the normal crops. The cash crops are essentially grown for the purpose selling.
The Europeans forced the native Americans and Africans to grow commercial crops, which include cocoa, peanuts, coffee, sugar,cotton, palm oil, rubber, tea, timber and tobacco. Out of which, tea, cotton and tobacco were the most forced cash crops.
Hence, the correct answer is tea, cotton and tobacco.
The theory of evolution proposed that a series of catastrophes or mass extinctions followed by repopulation could explain why species change over time
Answer:
The stratospheric ozone layer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting Earth's surface and harming living organisms. UV rays cannot be seen or felt, but they are very powerful and change the chemical structure of molecules.
Explanation:
