The nuclues is the control center of the cell
Answer:
<u>Stores DNA</u>
Explanation:
The nucleus controls all the activities of a cell. The chromatin contains the hereditary materials, DNA while the nucleolus is responsible for the manufacture of ribosomes.
Answer: Tertiary consumers
A tertiary consumer in a food chain is an organism which is carnivorous in nature, which means it feeds upon other organism belonging to lower trophic level like secondary and primary consumers. In ocean foodchain the parrotfish feeds on marine plants which are producers and parrotfish is a primary consumer. This parrotfish is eaten up by big fish which is a secondary consumer. This big fish is feed up by shark. Therefore, shark belongs to tertiary consumers.
Blood and lymph are the two circulating fluids in the animal body. Blood belongs to the circulation system whereas lymph belongs to the lymphatic system. Blood contains pigments which carry oxygen. Therefore, blood can be found in different colors in different types of organisms. But, lymph is a colorless fluid. Blood is composed of red blood cells, white blood cells, platelets and a fluid called plasma. Lymph is composed of white blood cells and a watery fluid. Both blood and lymph possess a circulatory function as well as an immune function. The main difference between blood and plasma is that blood circulates inside blood vessels whereas lymph circulates inside lymphatic vessels.
The visible light spectrum. Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away from us. ... When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer.
