When talking about members of a particular species, which of the
following makes the biggest
difference in the survival of an
organism in their environment?
A. external traits that we can see
B. internal traits that we cannot see
C. the eye color of the organism
D. the flower color of the organism

either a or b

Explanation:

definitely not c or d.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.  

oxygen +1 most likely