Missing choices:
a) hermaphroditism
b) budding
c) fragmentation
d) fission
e) regeneration
<span>Sexual reproduction includes a reproductive pattern called A. HERMAPHRODITISM.
Hermaphroditism is defined as a condition that a single organism has both male and female reproductive organs.</span>
The first one with the boxing crab and anemone is mutualism.
The second one with the dog and flea is parasitism.
Answer:
The genetic variations that are best suited for their enviornment
Explanation:
Those that are not well suited for their environment will die off, leaving only the ones that are suited for it. This species will slowly take hold until the species has adapted and become a completely different one.