Angiosperm in a sentence as a noun

Some desert angiosperms sprout, pollinate, spread seeds, then die in the span of a week.

"I guess we still don't really know what angiosperm evolution happened so fast.

Reading about this tree climber, I noticed how when he used the word angiosperm, I was surprised by his intelligence, as if being a tree climber is something less intelligent people do. I'm ashamed of that.

"Tree" is a paraphyletic taxon; today you have conifer trees, angiosperm trees, cycad trees, and so on, all of which are more closely related to non-tree plants than to each other.

Even among angiosperms, you have lots of different trees that are more closely related to non-trees than to each other — a black locust tree is more closely related to a soybean plant than it is to an apple tree.

In the Wikipedia article on angiosperms it states, "The evolution of seed plants and later angiosperms appears to be the result of two distinct rounds of whole genome duplication events.

Angiosperm definitions

noun

plants having seeds in a closed ovary