Answer: I believe it is Thigmotropism.
The types of evidence for evolution include
i) Changes in allele frequency over subsequent generations.
ii) When the population in question is examined it does not follow Hardy-Weiberg equilibrium.
iii) Signs of gene flow between populations.
iv) Presence of Sewall-Wright effects or genetic drift in the population.
Please mark as brainliest.
A mutation can cause the organism to look different and function differently also.
Because less animals means less energy that can be used.