Explain how predator-prey interactions influence both predators and prey. Define symbiosis
Describe two types of relationships in a community
The cookie-cutter shark feeds by taking a bite of flesh out of large whales and fish. The shark does not kill the larger fish it feeds on. Is the shark a predator or a parasite? Why?

must answer all or i will report
if the answer u give is right i will give brainliest

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

i believe the answer is snake.

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.