i need two things a lion does that helps the earth except stabilize animal populations I NEED THIS DONE NOW!

As a predator, it manages population of herbivores. That means it also indirectly strengthens the herds of thes herbivores.

Explanation:

lions help keep the number of other animals down to a reasonable number so it won't over populate

Explanation:

lions keep the numbers down so the animals that might end up with a higher number won't mess up the condition of the environment it's in

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

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