Gymnosperm with compound leaves
WebGymnosperms are heterosporous seed plants that produce naked seeds. They appeared in the Paleozoic period and were the dominant plant life during the Mesozoic. Modern-day gymnosperms belong to four phyla. The largest phylum, Coniferophyta, is represented by conifers, the predominant plants at high altitude and latitude. WebGymnosperms are classified into 4 types – Cycadophyta, Ginkgophyta, Gnetophyta and Coniferophyta. Some examples are – Cycas, Araucaria, Juniperus, Pinus, Cedrus, …
Gymnosperm with compound leaves
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Web20) A _____ compound leaf has leaflets that all arise from the same point at the top of the petiole in a finger-like fashion. a) pinnately compound b) palmately compound c) parallelly compound d) fingerately compound 8 21) What part of the leaf is an outer waxy membrane that protects the leaf from excessive water loss? a) cuticle b) periderm c) … WebGymnosperms are most ancient group of seed plants, originated in the Paleozoic era. They were dominant over the earth's surface during the Jurassic and cretaceous period of Mesozoic era. There are about 70 …
WebGymnosperms are non-flowering plants belonging to the sub-kingdom Embophyta. The seeds are not enclosed in an ovary or fruit. They are exposed on the surface of the leaf-like structures of the gymnosperms. … WebGymnosperms, meaning “naked seeds,” are a diverse group of seed plants and are paraphyletic. Paraphyletic groups are those in which not all members are descendants of …
Weba) Gymnosperms are fruitless plants that are mostly found in hilly areas. b) Gymnosperms are perennial, evergreen and woody trees. c) Gymnosperms have needle-shaped leaves that are well-adapted to withstand extreme weather conditions. d) Gymnosperms are also termed as hard wood trees. View Answer. WebWelwitschia, a plant of the Namib desert, is perhaps the oddest gymnosperm, producing a short woody trunk with only 2 leaves that continue to elongate from the leaf base throughout the life of the plant. Gnetales Ephedraceae Ephedra gerardiana Closer male strobilus Gnetaceae Gnetum gnemon
WebMay 3, 2024 · Though their large, compound leaves make them appear to be ferns at first glance, cycads can be classified as gymnosperms by the production of seeds instead of spores and xerophytic leaves. These plants share the following features: Dioecious. Male and female strobili on separate plants. Large compound, xerophytic leaves Insect …
WebSep 28, 2024 · Furthermore, some of the leaflets in certain vining angiosperms with compound leaves have been modified into grapnel-like hooks. A typical example is Tecoma radicans. Like in bananas, many monocotyledons have sheathing leaf bases that are coaxially arranged to form a pseudotrunk. The pseudotrunk in many epiphytic … conway mountaineerWebApr 9, 2024 · Gymnosperm seeds are not enclosed in an ovary; rather, they are exposed on cones or modified leaves. Sporophylls are specialized leaves that produce sporangia. … familial liability indiana elderlyconway mountain comfortWebGymnosperms are heterosporous seed plants that produce naked seeds. They appeared in the Paleozoic period and were the dominant plant life during the Mesozoic. Modern-day gymnosperms belong to four phyla. … familial hypertriglyceridemia cksWebThe gymnosperms (/ dʒ ɪ m ˈ n oʊ s p ə r m z / pronunciation (help · info) lit. revealed seeds) are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, forming the clade … conway moversWebGymnosperms possess needles or scale-like leaves, sometimes flat and large, and evergreen! No vessel elements are found in xylem, so out-competed now by vesseled … familial matchWebNov 12, 2009 · gymnosperm-- n. A plant that produces seeds, which are not enclosed; includes any seed plantthat does not produce flowers. gynostemium-- The central reproductive stalk of an orchid, which consists of a stamenand pistilfused together. habit-- The general growth pattern of a plant. familial loading definition