Answer:
The answer is the third bubble
Explanation:
It is because the second group does does have bones
In a way, it was the creation of the punnet square and the start of understanding gene pools. He also learned how to manipulate there traits.
I think that a toxin that was introduced into a food web can kill some species but not others because some may have resistances to the toxin, while others, it may be lethal. Also that it did not affect everyone because as Bioaccumulation has stated if affected one organism but their might not be much biomagnification as in much increase in the correlation between the food chains in that area. i think the cat were like the top animal so the key stone animal of the food chain and also it had no predators.
D: fronds
hope this helps!
