Biology

The correct answer is: D. The ecosystem will collapse due to the loss of balance.

Keystone species play a crucial role in maintaining the structure of an ecosystem. When poached, the loss of these species can trigger a cascade of negative effects. Other species rely on them for food, habitat, or other services, and their removal disrupts the balance of predator-prey relationships and competition, potentially causing the ecosystem to collapse or undergo significant changes.

The other options are incorrect:...