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The first pterophytes appeared around when?
The first fossils of pterophytes, also known as ferns, are known from the early Carboniferous, around 350 million years ago. The first modern families of ferns are known to have appeared during the Triassic.
The first pterophytes appeared around what year?
400 Million years ago hope this helps :D
The first pterophytes appered around?
375 Million years ago
Where might you find pterophytes growing?
Pterophytes typically grow along stream beds or in damp forests.
What are cryptogams?
cryptogams r divided into three plants.thallaphytes, bryophytes and pterophytes . thallaphytes and bryophytes show the absense of true leaves,seeds and stems. pterophytes r the most complex cryptogams which show the presese of true leaves,stems and seeds but they dont have flowers.all types of ferns are pterophytes.
Which first step in the orig in of the seed can already be observed in the pterophytes and lycophytes?
The first step in the origin of the seed that can be observed in pterophytes (ferns) and lycophytes is the development of the sporangium, where spores are produced. Both groups exhibit a dominant sporophyte generation that produces spores through meiosis, which is a precursor to seed formation. Additionally, the presence of a protective structure around the spores, although not a seed, hints at the evolutionary transition towards seed development seen in seed plants.
Do pterophyta have fronds in place of leaves?
Yes, pterophytes have fronds, which are large, complex leaves that typically have a prominent midrib and branching veins. These fronds are the primary photosynthetic organs of pterophytes and are characteristic of this group of plants.
What are the major structural and functional features of Bryophytes Pterophytes Gymnosperms Angiosperms plants?
you have to do this as a science project for bio
What structural adaptation allows pterophytes to grow larger than bryophyte?
It's because pterophytes are vascular plants that contains vascular tissues which support growth. Bryophytes are nonvascular plants, they don't have vascular tissues that's why it doesn't grow too large. ! Vanessa =D
The first pteridophytes appeared around what mya?
The first pteridophytes appeared around 400 million years ago during the Silurian period.
Do pterophytes produce spores?
Yes, pterophytes, which include ferns and their relatives, produce spores as part of their reproductive cycle. They have a dominant sporophyte generation that produces spores in structures called sporangia, typically located on the undersides of their fronds. These spores can then disperse and grow into a separate gametophyte generation, completing the life cycle.
Around what time was mathematics invented?
Around the time when the first homo sapiens appeared.
