Answer:
The correct answer will be option-E.
Explanation:
Chordae tendinae are the string-like structure in the heart which is composed of dense regular connective tissue called collagen and elastin proteins. They arise from the papillary muscles of the heart and branches out in the ventricle portion of the heart.
These play an important role in the closure of the AV valves to prevent the backward flow of the blood to the atria during ventricular contraction by holding cusps of the valve into the dome-shaped structure.
Thus, option-E is the correct answer.
Francesco Redi, and Italian physicist disporived the theory of spontaneus generation by observing the relations between maggots and fly eggs on meat.
Though Redi firstly disporived it, the title andn credit was given to the French biologist Louis Pasteur.
Answer:
Hope it helped,
Happy homework/ study/ exam!
Answer:
false
Explanation:
i guess that is an endangered species but a threatened species is one whose habitats or survival is in danger mostly due to human factors like poaching and encroachment I guess
When two indistinguishable crickets are together, for example, and you only know they are different because of their mating song. A behavioral isolational cricket would conduct only that with another cricket with similar mateship behavior.
BTW you should probably put in the options.
