Distinguishing features of Gymnosperms:
A. Gymnosperms are woody perennial that are mostly trees and seldom shrubs.
B. Life cycle of gymnosperms exhibits heteromorphic alternation of generations.
C. They form an intermediate group among Angiosperms and pteridophytes that is, they are much advanced than pteridophytes however are primitive than angiosperms.
D. The plant body is sporophyte (diploid) mainly a tree with well developed roots, stem and leaves.
F. The sporophyte bears two kinds of fertile leaves, the microsporophyll which generates microspores and megasporophyll which generates megaspores.
G. Mostly the spores are classified into strobili or compact cones.
H. Spores on germination build up into gametophytes that are much reduced, microscopic and reliant on sporophyte.
I. Ovules are nude.
J. Pollination is generally by wind (that is, anemophilous).
K. Fertilization includes only one fusion. Female gametophyte gives nutrition to the developing embryo. The endosperm (that is the female gametophyte) is a pre-fertilization tissue and is haploid.
L. Seeds are nude and not embedded in fruit.
M. Vessels are not present in xylem (apart from Gnetales)
Latest technology based Biology Online Tutoring Assistance
Tutors, at the www.tutorsglobe.com, take pledge to provide full satisfaction and assurance in Spermatophytes homework help via online tutoring. Students are getting 100% satisfaction by online tutors across the globe. Here you can get homework help for Spermatophytes, project ideas and tutorials. We provide email based Spermatophytes homework help. You can join us to ask queries 24x7 with live, experienced and qualified online tutors specialized in Spermatophytes. Through Online Tutoring, you would be able to complete your homework or assignments at your home. Tutors at the TutorsGlobe are committed to provide the best quality online tutoring assistance for Biology homework help and assignment help services. They use their experience, as they have solved thousands of the Biology assignments, which may help you to solve your complex issues of Spermatophytes. TutorsGlobe assure for the best quality compliance to your homework. Compromise with quality is not in our dictionary. If we feel that we are not able to provide the homework help as per the deadline or given instruction by the student, we refund the money of the student without any delay.
tutorsglobe.com mitochondria as semi-autonomous assignment help-homework help by online mitochondria tutors
the neutral atmosphere tutorial all along with the key concepts of equation of state, equation of hydrostatic equilibrium, snell's law, water vapor, relative humidity, mixing ratio, partial pressure of saturated air, propagation delay, refractivity
Newtons Ring and Interference in thin Films tutorial all along with the key concepts of Radius of a Ring, Interference in thin Films, Condition for destructive interference in film
www.tutorsglobe.com offers free tutorials and concepts of games with mixed strategies, analytical method, graphical method, simplex method, get solved your problems by live tutors.
Electric Potential tutorial all along with the key concepts of Equipotential Surfaces, Potential due to a point charge, Potential due to a system of charges, Potential Difference, Electric Field and Electric Potential and Electric Dipole
gas laws tutorial all along with the key concepts of charles's law, pressure law, constant volume gas thermometer, real gases and ideal gases, absolute zero, absolute temperature, universal gas constant
theory and lecture notes of nature of electricity having key concepts of electric field and electromotive force, current, the nature of electricity, electric charge, coulomb’s law, energy bands, potential and voltage. tutorsglobe offers homework help, assignment help and tutor’s assistance on nature of electricity.
tutorsglobe.com flower is a modified stem evidence assignment help-homework help by online flower-a metamorphosed shoot tutors
theory and lecture notes of concept of diffusion and current flow all along with the key concepts of diffusion process, diffusion current, einstein relation, carrier injection, diffusion and charge continuity. tutorsglobe offers homework help, assignment help and tutor’s assistance on diffusion and current flow.
www.tutorsglobe.com offers concurrent development model homework help, assignment help, case study, writing homework help, online tutoring assistance by computer science tutors.
Theory and lecture notes of Secant Methods all along with the key concepts of secant methods, Regula Falsi Method, Convergence, Simulations and Experiments. Tutorsglobe offers homework help, assignment help and tutor’s assistance on Secant Methods.
tutorsglobe.com energy crisis and its environmental impact assignment help-homework help by online environmental science tutors
tutorsglobe.com demand schedule and demand curve assignment help-homework help by online theory of demand tutors
forced oscillation and resonance tutorial all along with the key concepts of differential equation for a weakly damped forced oscillator, steady-state solution, low driving frequency, resonance frequency, high driving frequency, power absorbed by forced oscillator, quality factor
tutorsglobe.com methods and tools of financial management assignment help-homework help by online financial management tutors
1955664
Questions Asked
3689
Tutors
1463157
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!