During the Carboniferous period, the dominant plants, which later formed the great coal beds, were mainly a. mosses and other bryophytes. b. ferns and other seedless vascular plants. c. charophytes and other green algae. d. conifers and other gymnosperms.

Q: Plants having vascular tissue without seeds O A. Angiosperm O B. Pteridophytes O C. Bryophytes O D.…

A: A wide diversity of plants may be found everywhere. There are just a few terrestrial and freshwater…

Q: Companion cells are unique to:A. Bryophytes                                          B.…

A: The companion cell is type of cell found as a part of sieve tube element. Companion cells are the…

Q: What similar features do gymnosperms and angiosperms possess thatdiffer from other modern vascular…

A: Angiosperms and gymnosperms are seed-bearing plants. They have a natural ability to produce seeds…

Q: Family Clusiaceae A. Leaf type:____ B. Flower characteristics:____ C. Seed morphology:____…

A: In Linnaean taxonomy, the family is one of the eight primary hierarchical taxonomic levels, located…

Q: Which group evolved first?  A. Gymnosperms B. Angiosperms C. Mosses D. Ferns

A: Gymnosperms evolved around 319 million years ago. Records suggests that gymnosperms originated in…

Q: Which is the most diverse group of seedless vascular plants? a. the liverworts b. the horsetails c.…

A: The term biodiversity refers to the diverse variety of life present on the earth. As biodiversity…

Q: Among bryophytes,lichens and ferns which one is a pioneer species in a xeric succession?

A: Xeric succession commonly occurs on bare rock surfaces as a result of glaciation or wind/ water…

Q: Which morphological innovation is associated with plants being able to blanket dry terrestrial…

A: Plants are multicellular species that are mostly photosynthetic eukaryotes belonging to the kingdom…

Q: Which of the following lack true roots and leaves? * A. Bryophytes and whisk ferns B. Bryophytes C.…

A: Kingdom Plantae consists of all autotrophic plants and is divided into :-  A ) Thallophyta  B )…

Q: Which angiosperm lineage includes the most species?a. magnoliids c. monocotsb. eudicots d. water…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: After a lava flow like seen below in Hawaii Volcanoes National Park, the beginning stage of primary…

A: Succession    A series of progressive changes in the composition of an ecological community over…

Q: Which evolved more recently, tracheids or vessel elements? Do nonangiosperms such as conifers and…

A: The plant kingdom can be classified into five major groups; thallophyta, bryophyta, pteridophyte,…

Q: The gametophyte is the dominant generation ina. ferns.b. gymnosperms.c. mosses.d. angiosperms.

A: The gametophyte is the dominant generation in:

Q: Mosses Ferns Pines Oaks Flowers Seeds Wood Xylem and phloem Embryo (b) 4. According to the tree…

A: Out of all the given options,  Option (a) Embryo, Option (b) Xylem and Phloem, Option (c) Woods and…

Q: Which biological events took place during the Paleozoic Era and the Mesozoic Era? O During the…

A: The Geologic Time Scale divides the Earth's history into four periods, each marked by significant…

Q: The land plants are probably descendants of which of these groups?a. green algaeb. red algaec. brown…

A: The land plants are mainly the autotrophs which are green plants that can synthesize their own food.…

Q: Fern trees occur whereas moss trees do not because

A: There are two alternate forms of every sexually-reproducing plant, one that produces spores…

Q: The simplest and most ancient phylum of modern land plants isprobablya. the pteridophytes.b. the…

A: the pteridophytes- These plants have vascular bundles in their stem. the cycads- belong to the…

Q: What are examples of woody plants?a. trees b. shrubs c. herbaceous plants d. all of the above e.…

A: Herbaceous plants are plants with non-woody stems. The above-ground growth parts cannot survive in…

Q: Which living group diverged earlier than all other living vascular plants?   a. Lycophytes   b.…

A: The vascular plant is any one of a number of plants with specialized vascular tissues like xylem,…

Q: The following evolutionary trends are seen in the seedless land plants. a. Gametophytes became…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: All of the following were unique challenges that life on land presented to land plants, E O Lack of…

A: Plants are adapted to life on land by development of many structures like water repellant cuticle ,…

Q: working in the field, you discover a fossil of a previously undescribed plant species. the specimen…

A: Fossils help to predict the nearest predecessor and investigate evolution. They can help in…

Q: 1. Angiosperms are most closely related to A. Green algae B. Bryophytes C. Seedless vascular plantsv…

A: Characteristics of Angiosperms are: All plants have flowers. The sporophyte is differentiated into…

Q: Type of branching exhibited by the first ancestors of plants as observed in the fossils A. Unequal…

A: To better apprehend what a phylogeny represents, start by using imagining one era of butterflies of…

Q: Both mosses and ferns A. have swimming sperm B. have vascular tissue C. have leaves D. all of the…

A: A and C is the correct option for mosses Mosses have flagellated sperm that swim through water to…

Q: Thepioneering work of Nalini Nadkarni in rain forest ecology revealed that:a.epiphyte mats in some…

A: The ecosystem is the functional unit of nature. There are two important components of the ecosystem-…

Q: la. Plants without vascular tissue... .Bryophyta 1b. Plants with vascular tissue 2a. Produces seed..…

A: The plants are of two kinds with vascular tissue and without vascular tissue. Those without vascular…

Q: Write a note on importance of algae and gymnosperm?

A: Microbe or microorganism is a microscopic organism. Microorganisms are divided into six main types,…

Q: Which of these time intervals, based on plant fossils, came last (most recently)? O colonization of…

A: One of the gymnosperm organisms that ruled the planet at the time may have developed into the first…

Q: While surveying plants in the jungles of Borneo, you come across a flowering plant that you have…

A: Note: As Per Guidelines, We Can Answer One Question At A Time. Ask Again To get rest answers.…

Q: Conifers, cycads, ginkgo, and gnetophytes are collectively called (a) club mosses (b) gymnosperms…

A: Introduction Conifers are a category of plants and shrubs that thrive in cooler climates around the…

Q: Which morphological innovation is associated with plants growing very large during the carboniferous…

A: This period marked the shifting of continents create mountains as pangea is born.  It gave rise to…

Q: What two groups of plants produce seeds? O a. Gymonsperms and Angiosperms O b. Broyophytes and…

A: Ans: The plants which belongs to spermatophytes also referred to as phanerogams or phaenogams…

Q: It is considered critical to possess an efficient water transport system to develop a trees. As…

A: Given the claim that bryophytes can reach upto tree size . The question is can we refute this…

Q: ________ are seedless vascular plants.   A. Angiosperms   B. Ferns   C. Gymnosperms   D.…

A: Ferns are the most prevalent seedless vascular plants. They normally have large divided leaves…

Q: Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several…

A: Plantae is the kingdom of eukaryotic and multicellular organisms that grow indefinitely in their…

Q: Which of following are found in the gametophyte generation of ?mosses إختر أحد الخيارات protonemata,…

A: There is a first generation moss, the gametophyte. The gametophyte produces a sperm and an egg. They…

Q: These plants have hollow, jointed stems that are impregnated with silica. (a)mosses (b) club mosses…

A: Mosses do not have true stems and leaves also they donot have true roots. Club mosses have needle…

Q: Wild crab apple (Malus sylvestris), a native plant species that has become quite rare in Ireland, is…

A: Wild crab apple  Wild crab apple scientific name is Malus sylvestris which means apple forest. The…

Q: The Cretaceous Period was marked by the increase in number and variety of angiosperms. Insects also…

A: Introduction Life starts on earth around 3.4 billion years ago, in the ocean. Primitive organism was…

Q: Contrast the algae, mosses, ferns, gymnosperms, and angiosperms with respect to their dependence on…

A: Different categories of plants include algae, pteridophytes, angiosperms, bryophytes and…

Q: How did the dramatic growth of seedless vascular plants during the Devonian and early Carboniferous…

A: Devonian period, in geologic time, an interval of the Paleozoic era that follows the Silurian period…