Answer:
Cellulose
Explanation:
trunk is the main axis of a tree that supports the branches and is supported by roots. Cellulose makes it sturdy. Cellulose is the main substance in the walls of plant cells, helping them to remain stiff and upright.
Answer:
Cellulose, that is the molecule that makes a tree sturdy.
Explanation:
Answer:
PFK (protein): cytoplasm only
Insulin (protein): ER->Golgi->outside cell
Explanation:
The correct answer is (a) Natural Selection
Natural Selection is the process by which the the phenotype which best suits the environment survives and reproduce. This is because of the differences in the phenotype. The species evolve through a period of time to adapt the environment. The adaptations or the characters are inherited to the next generation over the population. Natural selection acts on the phenotype and is the main key for evolution of species.
a. True
b. False?
Answer:
Blood
Explanation:
blood gives transport