Plant cells have a large central vacuole, which animal cells lack. what function does this organelle perform?
a) it stores energy for the plant to use later
b) it provides rigidity to the plant cell when filled with water.
c) it the plant to prepare food in the presence of sunlight.
d) it the plant to release carbon dioxide as a byproduct of photosynthesis.

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

This is a biological reaction due to a stimulus. i need this quickly !