The main function of the large central vacuole in plant cells is to provide structural support; however, it serves other functions such as protection, storage, growth and waste disposal.
The tilt of the Earth is what causes the seasons...In the summer, the northern pole is pointed closer to the Sun giving the northern hemisphere more daylight hours. The opposite is true during the winter.
Answer:
The three types of symbiotic relationship are: mutualism, commensalism, and parasitism.
Example: 1.Mutualism: Pistol shrimps and gobies.
2. Commensalism: Sharks and Remora Fish.
3. Parasitism:. Tapeworms, fleas, and barnacles.
Newtonian gravity is what scientists believe will stop the universe’s expansion. This attraction would have to overcome the propulsive force of dark energy expansion, thus causing the compression of all the matter in the universe back into a small, hyperdense singularity.