There are two types of succession that lead to the increasment of the ecosystem:
1. Primary succession is the change in the structure of an ecosystem represented with the increase of the ecological community on an area that has not been previously occupied by an ecological community such as area after the lava flow or glacial lake. The first organisms of primary succession are pioneer plants usually, lichens and mosses.
2. Secondary succession includes the step of removal of pre-existing community and after that, colonization of the new one.
Infrared radiation lies at the frequency just below the frequencies of visible light.
Infrared radiation is termed as an electromagnetic radiation which has longer wavelength more than those which have visible light.
Infrared radiation excites vibrational modes in a molecule through which a change in the dipole moment. Infrared examines transmission and absorption of photons which are in the infrared range. Infrared radiation is used in scientific, military, law enforcement, in industrial, and medical applications.
The CORRECT answer for this is: number reduction of chromosomes:)
B - Enzymes act as catalysts because they lower the activation energy