Tracheids are not a reason why angiosperms are so successful.
The reasons why angiosperms are successful are:
They fertilize and pollinate the plants. In other words, they utilize all available self- and cross-pollination techniques. They employ a variety of pollination methods.
The first reason being - diminished gametophyte
Also - Seed dormancy that is when the seed is in its resting state.
Endosperm that is nutritive during germination
Adapting to many climatic conditions, soil types, and habitat types
And lastly Well-developed conducting tissues that is xylem and phloem
To know more about angiosperms ; yo may refer to the link which is given below:
https://brainly.com/question/9416370
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