An individual ovule produces an egg which becomes fertilized by a sperm. Gymnosperms or sometimes termed as seed plants are classified as vascular plants and has been thriving for centuries on earth through producing seeds.
Biological Diversity 6
The fossil plant Elkinsia polymorpha a seed fern from the Devonian period about 400 million years ago is considered the earliest seed plant known to date.
. This means that the origins of gymnosperms and angiosperms should be found there. They evolved after the seedless vascular plants. BlackZzzverrR 31 1 year ago.
They evolved after the seeded flowering plants. They evolved after the seedless vascular plants. Evolution of Gymnosperms Figure PageIndex1.
Gymnosperms were the first seed plants to have evolved. Gymnosperms or sometimes termed as seed plants are classified as vascular plants and has been thriving for centuries on. They evolved along with monocots and.
Click hereto get an answer to your question Which best explains the evolution of gymnosperm plants. The vascular plants particular ferns consist. Join Login Class 10 General Knowledge Basic Science Basic Biology Life Sciences Which best explains the evolution of gym.
Ovules within the ovary. This innovation has freed these plants from the need for water for sexual reproduction. Eustele with bicollateral vascular bundle is observed in the families Cucurbitaceae Solanaceae etc.
They produce sperm-containing pollen which is carried through the air by the wind to the female. Which best explains the evolution of gymnosperm plants. Angiosperm Which best explains the evolution of gymnosperm plants.
They evolved before the seedless nonvascular plants. Gymnosperms are vascular plants that produce seeds in conesExamples include coniferssuch as pine and spruce treesThe gymnosperm life cycle has a dominant sporophyte generationBoth gametophytes and the next generations new sporophytes develop on the sporophyte parent plantFigure below is a diagram of a gymnosperm life cycle. The answer to this question about the evolution of the gymnosperm plants would be C.
What is the connection between lichens and fungi. They evolved after the seedless vascular plants. They evolved after the seedless vascular plants.
Find an answer to your question Which best explains the evolution of gymnosperm plants yawar8240 yawar8240 19062018 Biology Secondary School answered Which best explains the evolution of gymnosperm plants 1 See answer Advertisement Advertisement yawar8240 is waiting for your help. Gymnosperms possess several key evolutionary innovations compared to earlier groups such as the clubmosses and ferns. Add your answer and earn points.
Blood is actually considered a colloid. The dispersed state of m. Atactostele can be defined as a type of eustele where collateral vascular bundles are arranged in an irregular manner Fig.
It is a fascinating world to uncover. In the earliest Permian and probably before all the features of the gymnosperms were highly developed. Which best explains the evolution of gymnosperm plants.
What makes them the first true seed plants is that they developed structures called. Question and answer Which best explains the evolution of gymnosperm plants. They are multicotyledonous and are the opposite of flowering plants.
The answer to this question about the evolution of the gymnosperm plants would be C. The gymnosperms were the first seed plants to have evolved some about 3827 million to 3589 million years ago in the Devonian period. Which best explains the evolution of gymnosperm plants.
They evolved after the seeded flowering plants. Nangiosperm Which best explains the evolution of gymnosperm plants. Blood is composed of many tiny cells in a liquid called plasma.
New data in comparative genomics and paleobotany have however shed some light on the evolution of angiosperms. Gymnosperms Your teacher is describing a plant that bears seeds and flowers has five flower petals and has seeds that are enclosed by fruits. You might be interested in.
Eustele is the characteristic of gymnosperm and dicotyledonous stem. They evolved along with monocots and dicots. The earliest seedlike bodies are found in rocks of the Upper Devonian Series about 3827 million to 3589 million years ago.
Which best explains the evolution of gymnosperm plants. They evolved after the seedless vascular plants. Recommended textbook explanations Biology.
Which best explains the evolution of gymnosperm plants. There is plenty of literary fodder out there for those of you who love to read about developmental biology and evolution. First all seed plants are heterosporous meaning that two kinds of spores.
This innovation has freed these plants from the need for water for sexual reproduction. It is amazing that such distantly. They evolved after the seedless vascular plants.
Seed ferns produced their seeds. They were the ancestor of the seed plants like the heterosporous earlier gymnosperms were pteridosperms or seed ferns. What kind of plant is he describing.
They evolved at the same time as monocots and dicots. Also they produce seeds that can be dispersed by vectors such as wind. Although several hypotheses have been offered to explain this sudden profusion and variety of flowering plants none have garnered the consensus of paleobotanists scientists who study ancient plants.
They evolved after the seedless vascular plants. 5 0 I believe gymnosperm plants evolved after the seedless vascular plants. Seed ferns see the figure below produced their seeds along their branches without specialized structures.
Which best explains the evolution of gymnosperm plants. They evolved after the seedless vascular plants. They evolved before the seedless nonvascular plants.
The fossil plant Elkinsia polymorpha a seed fern from the Devonian periodabout 400 million years agois considered the earliest seed plant known to date. More importantly I think the fleshy fruits of the various gymnosperm lineages stand as a testament to the power of natural selection as a driving force for evolution on our planet. This fossilized leaf is from Glossopteris a seed fern that thrived during the Permian age 290240 million years ago.
Life Cycle of Gymnosperms. They form a symbiotic relationship. Grin007 14 1 year ago.
Rather than being derived from gymnosperms. During the course of the evolution of the seed habit a number of morphological modifications were necessary.
Gymnosperm Definition Description Plants Examples Phylogeny Facts Britannica
Gymnosperm Definition Description Plants Examples Phylogeny Facts Britannica
Biological Diversity 6
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