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:
Sowerberry is an undertaker who once took Oliver into his service. He was a tall thin man , dressed always in black, as suited his trade. Mr Sowerberry and his wife were both unkind to Oliver. Mr. Sowerberry treated Oliver nicely because he knew that the boy is a good asset for funeral due to Oliver's melancholy countenance. However, his other apprentice, Noah Claypole and his maidservant, Charlotte, hate Oliver because they were jealous of him when Oliver was promoted.Oliver was angry and attacked Noah.
The answer to this question is 40ft I’m height