Question

17.
plays a critical role in
maintaining the structure of an ecosystem.
एक पारिस्थितिकी तंत्र की संरचना को बनाए रखने में
एक महत्वपूर्ण भूमिका निभाता है।
a. Herbivores RICHTER
b. Keystone species कीस्टोन जीव
C. Carnivores.मांसाहारी
d. None of the aboved इनमे से कोई भी नहीं​

Answer 1

Answer:

keystone species plays important role

Answer 2

Keystone plays a critical role.

• it is an organism that contributes to the overall definition of an ecosystem.
• The ecosystem will be radically different or non-existent if these species are not present. They are important for preserving the structure of an ecological environment.
• They affect numerous different living beings in the biological system and help to choose the sorts and quantities of different species.