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Definition of population: All the living organisms of same species living in a particular locality constitute the population. Population include various types of organisms which belongs to same species. We can found number of populations on planet Earth. Like human population, ant population, cats population, and many more.

Ecosystem: Two or more biotic communities which interact with the physical or non-living environment together constitute as Ecosystem. Examples: A forest, a mountain, a garden, a pond etc,.. Biome: Group of ecosystem constitute as Biome. A group of ecosystem taken togther in an area hving the same type of climtic conditions is consider as Biome. Biomes can also be consider as major or big sized ecosystem.  Examples: Temperate forests, deserts, evergreen forests, sea, big lakes etc,.. where many ecosystems are found within a biome.

Community: Definition: The population of different species found in aparticular place constitute the community. Example: In a garden, we can find different species which are living in a same environment such as insects, rodents, lizards, birds, ants, honey bees and many more species can be seen. Biotic community: Definition: Population of all the different species which are found in the garden constitute a Biotic Community. Biotic refers to the organisms which is different from human communities.

Vacuole: Vacuoles are the clear cavities in the cytoplasm.   These are filled with water and various substances in solution. Animal call contains small and less number of vacuoles. Plant cells contains large vacuole Sap: In plant cells vacuoles are large and contains a liquid called cell sap or sap.

SECONDARY GROWTH IN PLANTS: Increase in width of the plant is considered as secondary growth. Secondary growth is seen in second year of plant growth.  Secondary growth takes place in two steps. They are: 1.Cortical or Extra-stelar growth. 2. Stelar growth CORTICAL OR EXTRA-STELAR GROWTH: Formation of periderm: The cortex of the stem gets modified to meristem and acts as Cork cambium or Phellogen then it continuously divides towards outer side to form Cork tissue or Phellem and divides inner side to form Secondary cortex or Phelloderm The Phellogen, Phellem and Phelloderm together called as Periderm. Thus plants increase in its width. STELAR GROWTH: Formation of Intrafascicular cambium: The cambium which is present between xylem and phloem gets activated(able to divide) and forms Intrafascicular cambium. Formation of Interfascicular cambium: Medullary rays which is present between vascular bundles develops a cambium, that cambium is call...

BANANA CONTAINS POTASSIUM WHICH IS USEFUL FOR US. DON'T EAT BANANAS ON AN EMPTY STOMACH;COMBINING THEM WITH A BIT OF PROTEIN WILL HELP TO NORMALIZE THE INSULIN RESPONSE CAUSED BY THE SUGAR IN BANANA. CHICORY IS BENEFICIAL  FOR DIGESTION, THE CIRCULATORY SYSTEM AND THE BLOOD. BEET ROOTS ARE HIGH IN CARBOHYDRATES LEVEL. PEANUTS CONTAINS BENEFICIAL PROTEINS, BUT MANY PEOPLE ARE ALLERGIC TO THEM AND FIND HARD TO DIGEST. ONIONS ARE EXCELLENT ANTI-OXIDANTS, AND THEY CONTAIN ANTI-ALLERGY, ANTI-VIRAL AND ANTI-HISTAMINE PROPERTIES. SWEET POTATOES ARE AN EXCELLENT SOURCES OF CAROTENOID ANTIOXIDANTS. TOMATOES ARE AN EXCELLENT SOURCE OF VITAMIN C. TOMATOES ARE RICH IN CAROTENOID AND LYCOPENE; EATING FOOD CONTAINING CAROTENOIDS CAN LOWER THE RISK OF CANCER. CAKES AND COOKIES CONTAINS TOO MUCH SUGAR AND NOT ENOUGH VITAMINS AND MINERALS. ORANGES ARE MORE FIBROUS THAN THE FRUITS AND VEGETABLES. SO TAKE ORANGES ...

In winter, the air in our Atmosphere is very cool as compared to the air coming out from our mouth. The vapours which is present in the air is very cool. when we talk the air which comes out from our mouth is hot then that air mixes with surrounding cool air. s the cool air and hot air from our mouth mixes and forms a tiny droplets  These tiny droplets concentrated in a limited area, appear like smoke or a small cloud near your mouth.