Image result for Where does respiration occur in earthworms Respiration I. Earthworms
In earthworms there is no specialized organ to do respiration. So, in earthworms respiration process takes place through its moist, thin and highly vascular skin. The oxygen gas absorbed by the skin diffuses into the blood and transported to all the cells of the body.
Prevalent = Widespread
Requisite = Necessary
Propagate = Spread
Answer:
Chongqing, referred to as Ba and Yu, also known as Bayu, Shancheng, Yudu, and Qiaodu, is one of the four central municipalities in China, five national central cities, a national historical and cultural city, and the world's hot spring capital; the four major international metropolises positioned by the State Council, the Yangtze River It is the economic center, financial center and innovation center of the upstream region, as well as the center of politics, shipping, culture, science and technology, education, communication, etc., the national comprehensive transportation hub, and the large-scale water, land and air transportation hub in the western region. Chongqing is located in the southwest of China, in the core area of the economic belt in the upper reaches of the Yangtze River, surrounded by the Yangtze River and the Jialing River.
Explanation:
Answer:
The freshwater biome is defined as the biome that comprises the water bodies such as lake, pond, rivers and wetlands and where the concentration of salt is almost less than 1%. It occupies near about 20-25% of the total earth's surface.
Generally, the characteristics of the photic zone of a freshwater biome include-
- It forms the upper layer of the freshwater body, ranging from the surface of the water up to a certain depth.
- It is the layer where the sunlight can easily penetrate.
- The photosynthesis process is driven out extensively by the aquatic plants existing in this layer.
- The primary producers are present in this zone that provides the food to almost all the freshwater organisms.
- In this zone, the rate of respiration is equal to the rate of photosynthesis.
