Answer:
Oxygen is moved around the body of an echinoderm in its C. water vascular system.
To understand the phenomenon of biological cell
To understand which principal occurs
To know the whose are reactant and what makes product
Hope for brainliest mark
Answer:
The correct answer is - (B) As with any living thing, a plant has an optimal temperature range at which it grows and performs best.
Explanation:
Like any other or most of the living organism, plants also required an optimal temperature range as they also required appropriate temperature for their growth and development and perform their functions at their best.
Optimum temperature range is a temperature range at which something performs its best similarly plants perform their cellular functions like photosynthesis, metabolism, reproduction, and many other functions that require a particular temperature range.
Valence electrons are the electron on the outer energy level and they are important because they tell if that element is compatable
