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What is pollination? What are the main forms of pollination?
The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is known as pollination.
Characteristics of the flowers of every plant species relate to the type of pollination used by the plant. Colored flowers are specialized in bird and insect attraction; nocturnal flowers normally are white and perfumed, a lot of specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that make an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more external or internal next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
The cyclic exchange of nutrient material between organisms and non-living environment is called biogeochemical cycle ,'geo means earth: ''chemical' means chemical elements, thus
Give a detailed description of stereoblastula, please ?#
Explain Fluids Fluids: Fluid diets are given to patients with more advanced dysphasia or fractured jaws. The diet may include fruit juices, thin strained porridge with milk, e
Which physical elements contributed to the great amount of available energy on the primitive earth at the time of the origin of life? 3.5 billion years since the water cycle wa
Prevention of Infection 1. Strict asepsis practiced in ICU. 2. All the invasive lines are covered with sterile-drape. 3. Antibiotics-broad-spectrum ones are adm
1. The genes for ruby eyes (rb), tan body (t) and cut wings (ct) are all found on the X-chromosome of Drosophila melanogaster. All of these are recessive traits. They map in the or
What is Nucleotides? Nucleotides are the basic building blocks of nucleic acids. Each nucleotide is composed of a nitrogen base, a 5-carbon sugar called a pentose, and an ass
Adie's (Tonic) Pupil In Adie's syndrome there is no evident cause for the denervation. Most patients are women, aged 20-40 and have poor light reaction in one eye. When examin
different types of animals and their respiratory organ
Signify the term - Pectoral girdle. Bones in vertebrates that connect the appendages on the left and right side of the anterior appendicular skeleton to each other. Pectoral gi
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