Appositional growth is a type of growth that occurs when new layers of cartilage are formed on the surface of pre-existing cartilage layers. It results in outward expansion due to the formation of cartilage matrix on the outside of the tissue.
To lower the activation energy of metabolic reactions/ to act as catalysts
The correct answer is
D) gathering food.<span>Caching or hoarding food, is a behavior characteristic for squirrels during winter. They usually do this by putting their food in a shallow hole which will serve as food when resources are scarce in winter. Also, squirrels maximize their food consumption and body mass making the reserves that will help the animals survive.</span>
This illustrates <span>absolute threshold. The correct option among all the options that are given in the question is the second option or option "B".
</span><span>A spot in the middle of the retina that only contains cones is called the fovea. The correct option among all the options that are given in the question is the third option or option "C".</span>