B. small sizes
C. varied shapes
D. methods of movement
Answer: The correct answer for the blank is A.biochemical diversity.
Bacteria can thrive in various environmental conditions such as hot springs, salt flat, polar ice caps because of their biochemical diversity.
For instance, the organisms belonging to the domain archaea ( such as methanogens) live in extremely harsh environmental conditions. They have ether linked lipids in their cell membrane ( unlike bacteria, which possess ester linked lipids) and do not have peptidoglycan in their cell membrane. This provides them an advantage to survive under harsh conditions.
b. A population consists of a community of organisms and its physical environment, and a community is made up of many different ecosystems.
c. An ecosystem consists of a community of organisms and its physical environment, and a community is made up of many different populations of organisms.
d. An ecosystem consists of a population of organisms and its physical environment, and a community.
B. doubled
C. identical
D. unrelated
so the answer is <B>.........
True
False