Answer:
Genetic Variations
Explanation:
There are many but here are 2 that should always come to your mind:
- Mutations within the DNA
- Sexual Reproduction(Father and Mother DNA fuse together during fertilisation.
Hope this helped :D
Phospholipids consist of glycerol, phosphate group and two fatty acid chain.
To breath in the air, frog lowers the floor of the mouth. That causes throat to expand and nostrils to open. The air enters the mouth through nostrils and after that nostrils close. The floor of the mouth contracts to push the air into the lungs. To breath out the air, the floor of the mouth is lowered again and the air is pushed into the mouth. Nostrils open again and the air leaves the mouth.
Hello there wish you a GREAT Thanksgiving :)
Microbial Soil Organic Matter Decomposition
Organic matter decomposition serves two functions for the microorganisms, providing energy for growth and suppling carbon for the formation of new cells. ... Dead plant residues and plant nutrients become food for the microbes in the soil.