What plant was introduced by the indigenous population that has a high negative impact on lives today?

"The term non-native refers to plants that have been introduced from other regions or countries. ... Other non-native species such as cheatgrass (Bromus tectorum L.) have become severe weeds that often out-compete native grasses and forbs. Under some conditions, some non-native species have become invasive."

Explanation:

hello

question:

when would a new household be started?

a.when the oldest male died

b.when a man and a woman married

c.when the house could not hold everyone

d.when a child was born

answer: us d when a child was born

hope this have a great day and brainlest