How is high cholesterol classified in medicine?

Where I work we consider a significantly high cholesterol Hyperlipidemia. There are a few other ones though that I have seen used such Hypertriglyceridemia.

Cholesterol is found in the fats in your blood. you need some cholesteral but it being to high it can lead you to having an incress of heart diesse

Changes in a food chain can have a chain reaction on other species within the foodchain. For example, if less plants grew one year, less wildebeest will have what to feed themselves so wildebeest population will decrease and the buffalo who eats the wildebeest won’t have enough to eat etc