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1) because it make food for plant by photosynthesis2) because PLANTS are autotrophic so they need to make their own food. 3) to GIVE support to plant cell and to give tensile strength and PROTECTION against mechanical and OSMOTIC stress

tion:Microorganisms play an important role in improving soil fertility and involved in all aspects of N cycling, including N2 fixation, NITRIFICATION, denitrification and ammonification. They DECOMPOSE PLANT residues, soil organic matter and release INORGANIC nutrients that can then be taken up by plants.Mar 14, 2020

The EXCRETORY system is the system of an organism's body that PERFORMS the function of excretion, the bodily PROCESS of discharging wastes. The Excretory system is RESPONSIBLE for the ELIMINATION of wastes produced by homeostasis.

1.Insectivorousannual PLANTS EX:ZINNIA

calciumExplanation:FOLLOW mefollow me

Wilting is the loss of RIGIDITY of non-woody parts of plants. This occurs when the turgor pressure in non-lignified plant CELLS falls towards zero, as a result of DIMINISHED water in the cells. ... The rate of loss of water from the plant is greater than the ABSORPTION of water in the plant.Please MARK as Brainliest!

100 DEGREE CELSIUS EXPLANATION:PLS mark me as the brainliest

Megasporangia are the structures that GIVE rise to female gametes or megaspores or OVULES. Megasporangia is the PLURAL form while megasporanium in singular. microsporangium provides SPORES that give rise to male gametophyte and megasporangium produce spores that give rise to female gametophyte.Explanation:

Blood is a specialized body fluid. It has FOUR main components: plasma, red blood CELLS, white blood cells, and platelets. Blood has MANY different functions, including: transporting OXYGEN and NUTRIENTS to the lungs and tissues.

syncarpousIf a GYNOECIUM has multiple carpels "fused" into a single structure, it is syncarpous. A syncarpous gynoecium can sometimes appear very much LIKE a monocarpous gynoecium. STRAWBERRY (Fragaria sp.), BUTTERCUP (Ranunculus sp.) The degree of connation ("fusion") in a syncarpous gynoecium can vary.

(a) Transpiration increases with the velocity of wind. If the wind blows faster, the WATER vapours released during transpiration are removed faster and the area surrounding the transpiring leaf does not get saturated with water VAPOUR. (b) When the rate of transpiration far exceeds the rate of absorption of water by roots, the cells lose their TURGIDITY. Hence, excessive transpiration results in wilting of the leaves. (c) Plants absorb water continuously through their roots, which is then conducted upwards to all the aerial parts of the PLANT, including the leaves. Only a small quantity of this water i.e. about 0.02% is used for the photosynthesis and other activities. The rest of the water is transpired as water vapour. Hence water transpired is the water absorbed. (d) There are more stomatal openings on the lower surface of a dorsiventral leaf. More the number of stomata, higher is the rate of transpiration. Hence more transpiration occurs from the lower surface. (e) Cork and Bark of trees are tissues of old woody stems. Bark is thick with outermost layer made of dead cells and the cork is hydrophobic in nature. These properties make them water-proof and hence they prevent transpiration. (f) In both perspiration and transpiration, water is lost by EVAPOURATION from the body of the organism as water vapour. This evaporation reduces the temperature of the body surface and brings about cooling in the body of the organism. (g) On a bright sunny day, the rate of transpiration is much higher than any other days. The leaves of certain plants roll up on a bright sunny day to reduce the exposed surface and thus reduce the rate of transpiration.Explanation:

Cuscuta japonica — Far-red light — Haustoria — PARASITISM — Tactile stimuli. ... The response of PARASITES to a CHEMICAL signal from the HOST can also be observed in some parasitic angiosperms (STEWART and Press 1990).Explanation:

Vegetative PROPAGATION EXPLANATION:vegetative peopagation is any form of Asexual reproduction occurring in plants in which a new plant GROWS from a fragment of the parent plant or a specialized reproductive structure. Many plants naturally reproduce this WAY, but it can also be induced artificially

External Respiration: External respiration refers to the gas exchange across the RESPIRATORY MEMBRANE of lungs. Internal Respiration: Oxygen diffuses out from the BLOOD into tissue during internal respiration. ... Internal Respiration: CARBON dioxide diffuses into the blood from the tissue during internal respiration.

PRIMITIVE MULTICELLULAR MARINE ANIMAL WHOSE POROUS BODY IS SUPPORTED BY A FIBROUS SKELETAL FRAMEWORK; USUALLY OCCURS IN SESSILE COLONIES MEANING - NEAR BY WORDS. Primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies.

Johann Gregor Mendel (1822-1884) Father of Genetics Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of PARENTAL genes and their appearance in the offspring as dominant or recessive traits. He recognized the mathematical patterns of inheritance from one generation to the NEXT. Mendel's Laws of Heredity are usually stated as: 1) The Law of Segregation: Each inherited trait is defined by a gene pair. Parental genes are randomly separated to the sex cells so that sex cells contain only one gene of the pair. Offspring therefore inherit one genetic allele from each parent when sex cells unite in fertilization. 2) The Law of INDEPENDENT Assortment: Genes for different traits are sorted separately from one another so that the inheritance of one trait is not DEPENDENT on the inheritance of another. 3) The Law of Dominance: An organism with ALTERNATE forms of a gene will express the form that is dominant. The genetic experiments Mendel did with pea plants took him eight years (1856-1863) and he published his results in 1865. During this time, Mendel grew over 10,000 pea plants, keeping track of progeny number and type. Mendel's work and his Laws of Inheritance were not appreciated in his time. It wasn't until 1900, after the rediscovery of his Laws, that his experimental results were understood.mark me brilliant thank you

Pedology is the study of soils in their natural environment. It is one of two main BRANCHES of soil science, the other being edaphology.Explanation:Advances in WATERSHED, natural resource, and environmental sciences have shown that soil is the foundation of basic ecosystem function. Soil filters our water, PROVIDES essential nutrients to our forests and crops, and HELPS regulate the Earth's temperature as well as MANY of the important greenhouse gases.Please mark as brainliest

Examples include BONES, shells, exoskeletons, stone IMPRINTS of ANIMALS or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants. The totality of fossils is known as the fossil RECORD. Paleontology is the study of fossils: their age, method of formation, and evolutionary significance.Explanation: i think it may HELP you with i think it may help you with꧁20 thanks +follow =inbox꧂

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Plant reproduction is the PRODUCTION of NEW offspring in plants, which can be accomplished by sexual or ASEXUAL reproduction. Sexual reproduction produces offspring by the fusion of gametes, resulting in offspring genetically different from the PARENT or parents.hope it helps you ✔✔

tion:\BOLD{\mathrm{Fe}+\mathrm{CuSO}_{4} ARROW \mathrm{FESO}_{4}+\mathrm{Cu}}Fe+CuSO 4 arrowFeSO 4 +Cu is a single replacement or displacement reaction.It is because, in this reaction, the highly reactive metal iron replaces the Copper in copper SULPHATE by giving up two electrons and gets oxidized and FORMS a new compound called ferrous sulphate. The copper present in the compound gets reduced by gaining two electrons and is released from it.As a highly reactive metal (iron) replaces a low reactive metal (copper) in the given reaction it is inferred that \bold{\mathrm{Fe}+\mathrm{CuSO}_{4} arrow \mathrm{FeSO}_{4}+\mathrm{Cu}}Fe+CuSO 4 arrowFeSO 4 +Cu a single replacement or displacement reaction.please select me the brainliest and follow me

Aerobic respiration is a set of metabolic REACTIONS that take PLACE in the presence of oxygen, occurring in a cell to convert CHEMICAL energy into ATPs. Anaerobic respiration is a process of CELLULAR respiration where the high energy electron ACCEPTOR is neither oxygen nor pyruvate derivatives.

⠀ ⠀well-orchestratedto plan and organize a COMPLICATED event or course of action, especially WITHOUT being noticed, so that it ACHIEVES the result you want. Their main line of work is orchestrating corporate mergers. They were congratulated on a well-orchestrated PR campaign.⠀ ⠀⠀ ⠀⠀ ⠀²¹ᵗʰˣ⁻ᶠᵒˡˡᵒʷ⁻ⁱⁿᵇᵒˣ

thatExplanation:Some BOYS in UR class have beards and some do not BEACUSE thir own CHOICE

The increase in speed LEADS to an increase in the amount of air resistance. Eventually, the FORCE of air resistance becomes large enough to balances the force of GRAVITY. At this instant in time, the net force is 0 Newton; the OBJECT will stop accelerating. The object is SAID to have reached a terminal velocity.

It TAKES PLACE in the PROXIMAL CONVERTED TUBULE

The unique feature of bryophytes compared to other green plant GROUP is that it contains no xylem for conducting water through the plant, INSTEAD it conducts water and nutrients through the leaves. ... ALSO, they contain ENCLOSED sporophyte and gametophyte which MAKES it distinct from other plants.

e baolis were CONSTRUCTED for drinking and BATHING purposes. ... In India, baolis are mainly found in the arid north-western region due to the scarcity of water there. Some baolis were designed only for the PURPOSE of water storage, others to provide shelter to travellers and caravans.PLZ MARK MY ANSWER AS A BRAINLIEST

tion:During inhalation, the lungs expand with AIR and oxygen DIFFUSES across the LUNG's SURFACE, entering the bloodstream. During exhalation, the lungs expel air and lung volume decreases. ... During exhalation, the diaphragm is relaxed which decreases the volume of the lung cavity.

plant CELL because this has GOT a LARGE vacuole and cell wallExplanation:mark this ans brainliest and you get 3 POINTS

reproduction of flowering plant is called seed .unit of reproduction of flowering plant is called seed .embryo endosperm and SEEDCOAT are the PRIMARY part of seed.unit of reproduction of flowering plant is called seed .embryo endosperm and seedcoat are the primary part of seed.what are the advantages of seed formation is:- Seeds provide a PROTECTIVE coat so that the embryo plant can develop when it finds a nice piece of soil. Seeds are a protective STRUCTURE that lets a plant embryo survive for long periods of TIME before it germinates.Explanation:hope its help you

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In ecology and Earth SCIENCE, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth. There are biogeochemical cycles for the chemical elements CALCIUM, carbon, hydrogen, mercury, nitrogen, oxygen, phosphorus, selenium, and sulfur; MOLECULAR cycles for water and silica; macroscopic cycles such as the rock cycle; as well as human-induced cycles for synthetic compounds such as POLYCHLORINATED biphenyl (PCB). In some cycles there are reservoirs where a substance remains for a long period of TIME.

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