Which of the following statements about plant divisions is true? all vascular plants produce seeds. all nonvascular embryophytes are bryophytes. seed plants include angiosperms and gymnosperms. hornworts, club mosses and spike mosses are all nonvascular plants lycophytes and pterophytes are seedless vascular plants.

The correct answer will be options-

1. Seed plants include angiosperms and gymnosperms

2. All non-vascular embryophytes are bryophytes.

3. Lycophytes and pterophytes are seedless vascular plants.

Explanation:

The Biologists have categorized the plant kingdom into five divisions based on their distinguishable characteristics which are: algae, bryophytes, Pteridophytes, gymnosperms and angiosperms.

The bryophytes are non-vascular plants which adapted to protect their embryos in their maternal structures and are only non-vascular embryophytes.

The pteridophytes developed from the bryophytes and they developed the vascular tissues for the conduction of the mineral and water and are thus known as the vascular plants but they did not form reproductive products called seeds. So, are called the seedless vascular plants.

The seeds developed in the gymnosperms in which they wee naked but in angiosperms, they were protected.

Thus, the selected options are the correct answer.

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explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate.   warm air might be deflected somewhere cooler by the mountains.