In 610, Muhammad preached a new religion. Arab Caliphate: Theocracy; The head of state is the caliph; The split of Muslims into Shiites and Sunnis. In the 10th
To correctly distinguish these reactions, you need to know the definitions. 1) Endothermic reaction – reactions proceeding with the absorption of heat (To get a reaction, you need
If you look at what is included in the senses, then these are the organs of sight (eyes), organs of hearing (ears), organs of touch, etc. Many predators
usually, animals in the biocenosis play the role of consumers (1,2 or 3 orders). birds and mammals of forests play an important role in the establishment and development
sponges, like all protozoa, live in the aquatic environment. unlike protozoa, sponges of multicellular animals. with a pronounced specialization of cells. sponges are food for other aquatic animals