Yes that is true. The gray matter of the cerebrum is the area of the brain where nerve cell bodies make connections, called synapses, that control brain activity.
White matter, on the other hand, is mostly the axons of neurons. The pale fatty insulator of axons, myelin, is mainly responsible for their whitish appearance on gross examination.
2. Cell, Stem Cell, Tissue, Organs, Organ System, Organism
3. Cardiac Muscle Cell, Stem Cell, Cardiac Muscle Tissue, Circulatory System, Heart
4. Bone Cell, Stem Cell, Connective Tissue, Skeletal System, Bone
Notice how there's a certain noticeable pattern to the complexity of the systems and organs.
Answer:
Without fungi in the forest, dead and rotting materials would not be broken down, which would cause dead plants and animals to pile up in the forest.
Explanation:
A benefit of the carbon cycle is that it is critical to the food chain. The carbon cycle is important to all ecosystems as well as the food chain.
Carbon is an important element in living tissues and in all organic matter. All living things are made of carbon.
Plants use carbon from carbon dioxide gas in the atmosphere to make their own food and to grow. The carbon becomes part of the plant. Plants are consumed by animals. Thus the carbon cycle plays a vital role in the food chain.