U really didn’t put any choices so idk
Answer:
trophic level
Explanation:
The energy pyramid indicates how energy is transferred from one organism to the next on the food chain. There are four main levels, starting at the base with producers that take energy from the sun, and moving upward to primary, secondary and tertiary consumers. The pyramid of numbers represent the number of organism in each trophic level.
The triangles represent mountain peaks
Explanation:
<h3>Question:-</h3>
Assertion (A) Legumes revive the soil fertility.
Reasoning (R) Microbes in the root nodules of the leguminous plants.
<h3>Answer :-</h3>
Both A are R are true and R is the correct Explanation of A.
This is due to addition of Nitrogen in plants
Hooe it HELPS ☃️
Answer:
This happens to squeeze out blood completely, else the heart may not function properly
Explanation:
The electrical impulses are carried by bundle of His and send to the bottom of the heart via purkyne fibers. This happens in order to spread the impulse from the atrio-ventricular node to the sides of the ventricles. Now in the next round of impulse causes the ventricles to contract and squeeze out all the blood from the ventricles. If this does not happen then the heart will not be able to perform to its full capacity. Atria may also not release its entire blood into the ventricles.
