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Pterophytes or fern are the most diverse phylum of seedless plants, containing approximately 11000 species (in at least 17 families), about three quarters of which are found in the tropics.
Leaves are diverse in size and shape; size varying from just 1cm to up to 5m in some tree ferns. The fronds are coiled and unfurl as the plant grows.
Sporangia are often on the underside of leaves.
What else can I help you with?
How many syllaboles are in characteristics?
The word "characteristics" has 5 syllables.
What are physical characteristics and human characteristics?
Physical characteristics refer to the observable traits of an object or organism, such as size, shape, color, and texture. Human characteristics pertain to attributes unique to humans, such as emotions, intelligence, communication skills, and social behaviors.
What are the key differences between derived characteristics and ancestral characteristics in evolutionary biology?
Derived characteristics, also known as apomorphies, are traits that have evolved in a particular group of organisms and are not present in their ancestors. Ancestral characteristics, or plesiomorphies, are traits that are shared with the ancestors of a group of organisms. The key difference is that derived characteristics are unique to a specific group and have evolved over time, while ancestral characteristics are traits that have been inherited from common ancestors.
How are these two characteristics related?
Could you please provide more detail or specify the characteristics you are referring to?
What is the study of inherited characteristics?
The study of inherited characteristics is known as genetics. Genetics focuses on the study of genes, inheritance patterns, and variations in individuals that are passed down from generation to generation. It explores how traits and characteristics are transmitted from parents to offspring.
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.
The first pterophytes appered around?
375 Million years ago
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.
The first pterophytes appeared around what?
1.5 billion years ago (bya)
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
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
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.
Is a horsetail a seed plant?
Horsetails are not a seed plant because they are a seedless vascular plant and fall into the catergory pterophytes. According to the diversity of plants Seed Plants evolved in about 360 mya after Pterophytes (about 420 mya) . So in order for a plant to be a seed plant it should fall into the plant group of either Gymnosperm or Angiosperm.
What are the four phyla of the plant kingdom?
The four main phyla of the plant kingdom are: 1) Bryophyta (mosses), 2) Pteridophyta (ferns), 3) Coniferophyta (conifers), and 4) Angiospermophyta (flowering plants). Each phylum represents a distinct group of plants with unique characteristics and reproductive structures.
