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What is the evolutionary importance of the emergence of seeds in the plant kingdom?
The evolutionary significance of the seed is related to the plant capability of distant colonization and to the protection of the embryo. Embryo-containing seeds can be carried by water, wind and animals and germinate in dissimilar environments. This fact contributes to the exploration of a several of ecological niches and for the diversity of plant species.
Seeds in addition protect the plant embryo against external aggressions and they also give germination under more adequate conditions (inside the seed). These features contribute to the evolutionary success of the phanerogam.
Cleavage - Metazoa The unicellular zygote begins cell division (cleavage). First, the single cell divides forming two cells, these redivide further to form four, then eight ce
Sheep and goats The disease is readily transmissible to human being from goats, and is known as Malta fever, Mediterranean fever or undulant fever. The chief causal agent is B
What is the Senses explain their Vision ? Vision : The human eye consists of structures which evolved together to focus light on a sensitive area called the retina. Light f
Deficency Diseases and Metabolic Disorders Nutrients required for life sustenance are grouped into 6 basic classes, viz. water, carbohydrates, proteins, fats, minerals and vita
detail notes on seed dormancy and seed germination
Grasping instruments -Plier or clamp forceps -put piece of rubber in the plier -applied on the buccal and lingual surface -make pressure to
Transposable elements are able to move around the genome by precise or imprecise excision events. What is meant by imprecise excision? A. Imprecise excision refers to a transpo
Can the heat capacity of water be considered small or large? What is the biological significance of that characteristic? From thermology it is called that the quantity of exch
Nutrition
What is adaptive convergence? The Adaptive convergence is the phenomenon by which living beings facing the same environmental pressure (problems) and undergoing genetic variabi
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