Which statement is not true of grasses?

they are resistant to extreme temperature.
they are the most widely distributed flowering plant.
they include grains.
they are similar to succulents.

Only cereal grassses have grains so it is not true to all. Grasses are resistant to extreme temperature because of its location which is just near the soil. They are also compared to succulents because of its ability to store water when there is an extreme heat. They are widely distributed fowering plant which is in the Poaceae family.