To be honest they all are great choices but personally I would suggest answer C.
Hope this helps.
A few would be maybe a change in mating? Like if the animal isn't leaving it's habitat to go and get nutrition and mate then something might be off with the animal, or the seasons are messing them up due to weather.
Another would be possibly be animals who usually don't go into competition, going into it with animals that are usually in a good zone, most likely due to food dropping or habitat population increase.
And then there's invasive species, they come in and kill off animal species causing a whole environmental habitat of animals to die off, eat their food and take in all the nutrients, and then possibly animals having to go off and find a new habitat causing them to become invasive species.
Answer: What is the effect? He is untrusting and impulsive. Lines 124-127: Explain what new information is revealed about Sergei's character in these lines. Sergei thinks that taking Yoni to the hospital would complicate things which understated the possibility of getting arrested for murder.
Explanation:
Answer 1:He forbids Mary and Colin from interacting with dickon, creating tension amongst the characters. He is too controlling of Mary, leading her to run away from the house and it’s inhabitants.