Final Answer:
Locomotion is absent in Archaebacteria.
Step-by-step explanation:
Archaebacteria, one of the three domains of life, encompass a diverse group of microorganisms that thrive in extreme environments such as hot springs, salt flats, and deep-sea hydrothermal vents. Despite their adaptability to harsh conditions, Archaebacteria generally lack the capability for independent locomotion. Unlike some bacteria that possess flagella or other structures for movement, Archaebacteria typically rely on passive dispersal methods, such as water currents or other environmental factors, to move from one location to another.
The absence of locomotion in Archaebacteria is a notable feature that distinguishes them from other microorganisms. Instead of actively swimming or propelling themselves, Archaebacteria often depend on external forces for their movement. This characteristic aligns with their survival strategies in extreme environments where mobility may be less critical than other adaptive mechanisms. The ability to thrive in extreme conditions without the need for active locomotion showcases the resilience and uniqueness of Archaebacteria, contributing to their significance in the study of microbial life and evolutionary biology.