Answer:
Gas exchange occurs at two sites in the body: in the lungs, where oxygen is picked up and carbon dioxide is released at the respiratory membrane, and at the tissues, where oxygen is released and carbon dioxide is picked up.
Explanation:
Answer:
Research related information
Explanation:
Research related information can be the stage. This is because it makes use of technology and scientific investigation..
Sorry if I'm wrong :'(
B; An unshelled fish is lively and elusive past the power of words to portray, and in this, undoubtedly, lies its desirability.
Cell division begins along the cell's equator, between the two chromosomal poles that form during nuclear division. Microflients help the cell lay down new membrane and divide it into two daughter cells.
Answer:
The correct answer will be - Keystone species
Explanation:
Keystone species refers to the species present in a community which has a large effect or great influence on the surrounding environment.
The concept of Keystone species was introduced by the Robert T. Paine in 1969 to the species which help maintain the structure of the biological community.
The keystone species are called keystone species as its presence affect the other organisms directly and if removed from a community it will lead to the shift or change in the structure of the community.
Thus, Keystone species is the correct answer.