Answer:
The number of habitats falls below a critical level.
Explanation:
The possible reason for extinction is that the number of habitats falls below a critical level. This makes it impossible for organisms to survive.
- A habitat is the dwelling place of living organism in an ecosystem.
- The resources and other materials that ensures the survival of an organism are made available in the habitat.
- When a habitat begins to thin out and can no longer support organisms, then extinction will ensue.
Cellular fatigue (muscle fatigue) occurs first in the mitochondria, the power house if the cell
The answer for this one is b) Looping of DNA
The answer to the question is true