the process of organogenesis is of differentiation of the germ larger into organ and organ system. The germ layer which is a group of cells interact with each other as embryo develops and contribute to formation of all organs and tissues.
Hyperthyroidism (over producing thyroid gland) and hypothyroidism (under producing thyroid gland).
The best answer is B.
The cells of a multi cellular organisms are called eukaryotic cells and have:
1. a membrane-bound nucleus
2. numerous membrane - bound organelles including the endoplasmic reticulum, Golgi apparatus, chloroplasts and mitochondria.
3. several rod-shaped chromosomes.
Because a eukaryotic cell's nucleus is said to be surrounded by a membrane, it is said to have a true nucleus. Organelles (meaning "little organ") have specialized cellular roles just like the organs of the body have specialized roles.
1. A or D
2. D Urbanization
3. <span>D groundwater pollution
4. </span><span>C contamination of beaches and sea vessels with pollutants.</span>