Natural history
The meaning of plants in nature
All living organisms on the planet are divided into cellular and non-cellular, the latter including only viruses. The former are divided into eukaryotes (those whose cells have a nucleus) and prokaryotes (no nucleus, no DNA...
The role of plants in nature and human life
Plants (Latin Plantae or Vegetabilia) are studied by the science of botany; in the 21st century, scientists count more than 320 thousand species of plants, most of which are flowering plants (about 280 thousand species), the number...
What is a molecule
All substances in nature are made up of very small particles called molecules. These particles in matter constantly interact with each other. They cannot be seen with the naked eye. Concept, basic properties and...
Abstract on the topic: "Diversity of birds"
MBOU "Secondary school in the village of Sarly" Abstract on the topic: "Diversity of birds." Completed by: 10th grade student Hafizova A.N. Head: Salikhov Flaris. Mirzagitovich Sarly-2014 Contents: 1. Introduction………………………………………………………………………………3 2....
The role of bacteria in nature and human life
The activity of bacteria is diverse and is of great importance in nature and human life. Bacteria play a large role in the processing of milk (Fig. 1), in the production of its derivatives, such as yogurt, cottage cheese, sour cream,...
