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As BARLEY is a MONOCOT, it's STEM has SCATTERED VASCULAR bundles. Explanation:

The GENDER MALE and FEMALE is CALLED as SEX.

The ENZYME lysosome in saliva kills BACTERIA in food in our mouth and in stomach HYDROCHLORIC acid of GASTRIC JUICE kills the bacteria.

they have to be PROTECTED

Heya❤Yes it is TRUE..Thanku❤

The main difference between BACTERIA and plant and animal CELLS is the UNFORMED nucleus in the cell.Explanation:Please mark me as a brainliest.It's URGENT

These are the FACTORS.................

l of an artery consists of three layers. The innermost layer, the tunica intima (also called tunica interna), is simple squamous epithelium surrounded by a connective tissue basement membrane with elastic fibers. The middle layer, the tunica media, is primarily smooth muscle and is usually the THICKEST layer. It not only provides support for the vessel but also changes vessel diameter to regulate blood flow and blood pressure. The outermost layer, which ATTACHES the vessel to the surrounding tissue, is the tunica externa or tunica adventitia. This layer is connective tissue with varying amounts of elastic and collagenous fibers. The connective tissue in this layer is QUITE dense where it is adjacent to the TUNIC media, but it changes to loose connective tissue near the PERIPHERY of the vessel.HOPE IT HELPS...

which PRANAV .is it MEPL. MARK as BRAINLIEST and FOLLOW me

sliding filament THEORY is related to the MUSCLES contraction muscles consists of the TWO types:– thin filament and thick filament thin filament consists of ACTING and thick filament consists of myosinduring the muscles contraction thin filament actin sliding over the thick filament myosin

tion:The cells of An Elephant and A rat are of same of size because an animal is BIGGER in size does not mean the size of the cells will be bigger. It only means that the number of cells is more in bigger ANIMALS than in smaller ONES.

tion:DefinitionIt is a general term and applied to the combine action of all processes causing rocks disintegration physically and decomposition chemically.OrIt is the process of weakening rock and producing a rock waste or soil cover. Weathering occurs when rocks and minerals comes in contact with the atmosphere, ORGANIC life and suicidal water. Essential feature of weathering is that it affects rocks in-situ (in place) and no transportation of material is involved.Also Read: Tip Physical Weathering | Tip Chemical Weathering | Tip Rock FaultsFactors affecting weakening of rock are:A part of rainfall always snips into the soil on the covered rocks and looses the rock particle by dissolving it.Frost action also takes place in the for-spaces of rocks and causes disintegration and splitting of rocks into fragments.Chemical reactions are also taking place in rocks internally and causing rock-loosening.Slow geological process of construction and destruction is going on the surface of earth for millions of years because earth is old ENOUGH and has been completely leveled by weathering and erosion. Factors affecting rock weathering. Rock weathering is greatly affected by the following parameters.Types of WeatheringThere are two types of weathering:Physical weatheringChemical weathering1. Physical weathering:In the mechanical disintegration and breaking of the rocks to form particles of smaller size. In physical weathering, the composition of the weathered products remains unchanged. Following are the different agents of physical weathering:Frost actionHeating and coolingOrganismsa. Frost action:Freezing of water in the cracks of rocks tends to disintegrate them because volume of water increases 1-11 times of its actual volume. It exerts a great pressure on the wall having cracks. By this process, angular fragments of rocks are broken off from the main body of the rock, causing physical weathering. b. Heating and cooling:Heating and cooling of rock masses occur due to daily changes in temperature. Heating of rocks causes expansion and cooling cause contraction of rocks. This repeated heating and cooling helps to develop cracks in rocks and the rock will be disintegrated.c. Organisms:Plants and insects like earthworms, ants, termites and SNAKES play an important role in physical weathering because they convert rock into soil to get their food. Plants also grow in joints and cracks of the rocks and push them further apart. Similarly, man also breaks rocks by making roads, constructing dams and reservoirs by drawing tunnels and mines etc.2. Chemical Weathering:It is the type of weathering in which the rock minerals are attacked by water, oxygen, or by alkaline or acid materials dissolved in the water. Chemical structure of the rock minerals is altered and Clay minerals are formed in this way.3. Mechanical WeatheringIt is the breakdown of the rock by physical or mechanical forces.Frost wedging and heavingwater enters cracks and expands on freezing, pressure SPLITS rock. alternate freezing and thawing of water in fractures and cracks promotes the disintegration of rocks (water expands about 9% upon freezing)Exfoliationrock layers peel like layers of an onion Due to pressure release on igneous rocks (formed in Earth’s CRUST)Thermal expansionrepeated heating and cooling of rocks will induce stress and breakage - daily cycle of temperature change weakens rockOrganic activityphysical breakdown and/or transport of material by plants and animals, e.g. plant roots growing in cracks, burrowing animalsMinerals in the parent rock are unchangedResult is a primary rock mineral, which is the constituent of most sands & gravelsWeathering of rock is a complex process and depends on many factors including:Climate – wind, rain, frost & temperatureTopography (e.g. waterlogged valleys are subjected to deeper weathering than plateaus)Rock structure (e.g. presence of faults, joints etc dictate rock fracturing due to freeze-thaw cycles)Rock types (e.g. dominance of various minerals dictate resilience to weathering)Looking at climateMechanical weathering (due to freeze-thaw & heat-cool cycles) obviously depends on climateChemical weathering is also strongly climate dependent as this form of weathering dominates in regions of relatively high humidity and rainfall

Neuroscience is the scientific STUDY of thenervous SYSTEM (the brain, spinal cord, and PERIPHERAL nervous system) and its FUNCTIONS.

Parts:Nucleolus,CHROMATIN Fibre,Nucleoplasm,Nuclear pores and Nuclear Membrane.Functions:I) CONTROLS and coordinates all activities of the cell.II)Determines the way in which a cell should be brought up.III) Plays BIG role in cellular reproduction.Explanation:

✅Heres your answer#Internal fertilization the fertilization that takes PLACE inside the body.... eg : HUMAN beings do internal FERTILISATION.... #EXTERNAL fertilisation.. The fertilisation that takes place outside the ORGANISM body..... example : frogs Hope it helps ✌

gall bladder help in the STORAGE of bile juice is PRODUCED by the liver.

tebrates are CHORDATES but all chordates are not VERTEBRATES . ... The characteristic features of the phylum Chordata include the presence of a NOTOCHORD and paired pharyngeal gill slits. In sub-phylum Vertebrata, the notochord present in embryos gets replaced by a cartilaginous or BONY vertebral column in adults.

Heya mate.....Diffusion :- Diffusion is the movement of a SUBSTANCE from an AREA of HIGH concentration to an area of low concentration. Facilitated diffusion :- Facilitated diffusion is the diffusion of solutes through TRANSPORT proteins in the plasma membrane. Active diffusion :- Active diffusion is the movement of molecules ACROSS a membrane from a region of their lower concentration to a region of their higher concentration—against the concentration gradient. Hope it helps......

blood CONTAINS a buffer of carbonic ACID (H 2CO 3) and bicarbonate ANION (HCO 3 )

n gymnosperms ovules lie on the megasporophyll and are not borne on the placenta and they (ovules) are sessile. An OVULE is COVERED by few THIN integuments of slender micropyle in angiosperms; whereas in gymnosperms an ovule is covered by THREE layers of integuments of WIDE micropyle.Explanation:

tion:The CULTIVATION of wheat (Triticum spp.) reaches far back into history. ... Today, wheat is grown on more land AREA than any other commercial crop and continues to be the most important FOOD grain source for HUMANS. Its PRODUCTION leads all crops, including rice, maize and potatoes.

heterozygous CONDITION HOPE it HELPS PLS mark as a BRAINLIST

It's MITOCHONDRIA MAY be

Evolution is the sequence of gradual changes which takes PLACE in the primitive organism over MILLIONS of years in which NEW SPECIES are produced.

The PROCESS by which new species DEVELOP from the existing species is KNOWN as SPECIATION.

Hand Mating- Bringing a female to a male for BREEDING, after which she is removed from the AREA where the male is located. ALSO KNOWN as hand breeding.

Hey shizuka ......Explanation:Interphase :-It is the 1st phase of the cell cycle and the period before cell division . During this phase the cell matures , copies its DNA and prepare to divide.Prophase :-The chromatin condenses and SPINDLE fibers form at each side of the cell . The nuclear MEMBRANE breaks apart.Metaphase :- The chromosome line up along the centre of the cell and the spindle attach to each chromosome at the centromere. Best phase to count and study the number and Morphology of chromosome.Anaphase :-The spindle fibre splits the centromere and the chromatids moves to opposite sides of the cell.Telophase:-The chromosome lossen on eachside and the nuclear membrane begins to form around the chromatin (strand of DNA).Cytokinesis :-During this phase the cell membrane pinches in (in ANIMAL CELLS) or cell plate is formed (in plant cells) at the middle of the cell dividing the cell into two separate DAUGHTER cells. Each daughter cells gets half of the cell organelle and an identical set of chromosome.Hope this will help uh!☺️❣️

It is an INSTRUMENT USED to MEASURE BLOOD PRESSURE.

the NATIONAL PARK of your STATE iskanaha kissali

plasmodesmataExplanation:PLASMODESMATA LINED by CELL membrane HENCE LIVING two plants cell are transversed/connected by plasmodesmata

Hey MATE,MITOSIS1. Occurs during interplanetary before MITOSIS begins.2. Number of division one.3. Synapsis of homologous chromosome does not occur4. Two diploid (2n) daughter cells that are genetically identical to parent cell.5. Produces cells for growth and repair .It occurs in somatic cells.MEIOSIS 1. Occurs during interphase before Meiosis begins.2. Number of division two.3. Occurs along with crossing over between non-sister chromatids of homologous chromosome in prophase-14. 4 haploid (n) cells each containing half aa MANY chromosome as the parent cell and eachother.5.Produced gametes and assures genetic diversity . It occurs in REPRODUCTIVE cells.HOPE THIS WILL HELP UH!☺️❣️

ced leaf found at the base of the pedicel is CALLED bract while leaf like structure PRESENT between bract and flower is calledbracteole. b. ... Pedicie is the stalk of flower while PEDUNCLE is the stalk of inflorescence.

about ovamExplanation:about the STRUCTURE of OVAM and HARMONES

tion:Other ACIDS:formic ACID (HCOOH)organic acidmineral aciddillute acidphosphoric acid(H3PO3)lactic acidBS ITNA HI PTA THAHOPE IT HELPS YOUSaina

l (from Latin cella, meaning "small room"[1]) is the basic structural, functional, and biological unit of all known organisms. A cell is the smallest unit of life. Cells are often called the "BUILDING blocks of life". The study of cells is called cell biology or CELLULAR biology.CellWilson1900Fig2.jpgOnion (Allium cepa) root cells in different phases of the cell cycle (drawn by E. B. Wilson, 1900)Celltypes.svgA eukaryotic cell (left) and prokaryotic cell (right)IdentifiersMeSHD002477THH1.00.01.0.00001FMA68646Anatomical terminology[edit on Wikidata]Structure of an animal cellCells CONSIST of cytoplasm enclosed within a membrane, which contains many biomolecules such as proteins and nucleic acids.[2] Organisms can be classified as unicellular (consisting of a single cell; including bacteria) or multicellular (including plants and animals).[3] The number of cells in plants and animals varies from species to species, it has been estimated that humans contain somewhere around 40 trillion (4×1013) cells.[a][4] Most plant and animal cells are visible only under a microscope, with dimensions between 1 and 100 micrometres.[5]Cells were discovered by Robert Hooke in 1665, who named them for their resemblance to cells inhabited by Christian monks in a monastery.[6][7] Cell theory, first developed in 1839 by Matthias Jakob Schleiden and Theodor Schwann, states that all organisms are composed of one or more cells, that cells are the fundamental unit of structure and function in all LIVING organisms, and that all cells come from pre-existing cells.[8] Cells emerged on EARTH at least 3.5 billion years ago.[9][10][11]

Heya MATE.....Sepals which FALL just at the time of OPENING of FLOWERS is known as calyx.Hope it HELPS......

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