Sirius B is brighter than the sun.
<u>The four types of interactions in communities are:</u>
- Mutualism
- Parasitism
- Commensalism
- Competition
<u>Definition of each interaction:</u>
<em>Mutualism: </em>
The type of interaction in which both the species involved are benefited, it is called mutualism.
<em>Parasitism:</em>
The type of interaction in which one species is benefited, whereas the other is harmed, it is called parasitism.
<em>Commensalism:</em>
The type of interaction in which one species gets benefited without harming or providing benefits to others is called commensalism.
<em>Competition:</em>
The type of interaction in which both species lose is called competition. It is opposite of mutualism.
<u>Symbiotic relationship:</u>
It refers to the type of interaction in which lastly one species gets benefited. The type of interactions such as <em>mutualism, commensalism, and Parasitism </em>are considered as symbiotic relationship.
<span>The lymphatic system is considered as the subsystem of the circulatory
system that is composed of networks of vessels, tissues and organs in vertebrates.
Its anatomy is composed of lymph nodes and lymphatic vessels which connect the
other parts systematically. A picture of the lymphatic system is attached below.</span>
