Answer:
Carbon dioxide and oxygen can't pass through the cuticle, but move in and out of leaves through openings called stomata
Explanation:
After the fossils are buried in the mud the soft tissues start to decompose rapidly. Leaving only the hard shells or bones of the animal. With time, sediment starts to build up on the top and then hardens into rock. The bones then start to decay, minerals start to enter and then end up replacing the organic material cell by cell in a process that is known as "petrification." So the answer you are looking for is B, Mud can prevent oxygen from reaching the dead organism.
Explanation:
Mutaciones neutras: No afectan la viabilidad del ser vivo, pueden pasar desapercibidas. Ejemplo: el corazón ubicado hacia el lado derecho en algunos humanos. Mutaciones beneficiosas: Aumentan la probabilidad de supervivencia del individuo, aportando variabilidad a la población.
EEF or electroencephalogram expensive and time consuming.
Hope this helps!