It is a particularly hot, dry summer. The town has banned excessive water use and so you cannot water your lawn. After a few weeks the grass has gone brown, except a few patches where the grass seems to be doing fine. You notice that this grass has a broader leaf and is not the same species as most of your lawn. You conclude that this grass is a

Question

Quizplus · Accepted Answer

C₄ plants are able to thrive in conditions of high light and heat, as well as low water availability. They are able to conserve water and prevent excess water loss through their leaves by using a specialized pathway for photosynthesis that involves the C₄ carbon cycle. This allows them to maintain high photosynthetic rates even under conditions of water stress, which would explain why this particular type of grass is still thriving despite the ban on excessive water use. The fact that it has a broader leaf is also consistent with the characteristics of C₄ plants.

It Is a Particularly Hot, Dry Summer