I think the DNA crosses the shortening of the
Definition is because the vent of shortness of the following and it says ANB are kind of the same same
Food - increase in height
Predators - fast reproduction, fast in general
Heat/lack of water - Cam photosynthesis, storage of water
Predator/prey arms war - sensors along side to detect prey, sense of smell, etc
B . Excessive commercial fishing
Reason: the other options are good things this is the only bad thing
C) Things need to keep moving about and sexual selection allows for preference towards a particular "look". Just going with instinct