Answer:Double circulation has two components, pulmonary circulation and systemic circulation. Pulmonary Circulation : It is movement of blood from heart to the lungs and back. Deoxygenated blood of the body enters the righ auricle, passes into righ ventricle which pumps it into pulmonary arch,...
Explanation:



Fungi is single celled micro organism, which grows in plants or soil. Fungi can be mostly found on soil or dead plants or dead matter.



Three characteristics of Fungi are:
- Fungi reproduce through spores.
- Fungi are mostly Eukaryotic or single celled.
- Fungi can play major role in recycling.

Bacterial cells don’t have nucleus so they are prokaryotic. Eukaryotic cells have a nucleus.
It is called as conservation biology. Conservation biology
aims to protect species, their habitats and the ecosystem from extinction. It is
one field of ecology that focuses on the environmental problems caused by
humans. It aims to reverse and understand the cause of loss of biodiversity.