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Answers
Explanation:
1)a)Yes, we can find out whether a plant has tap root or fibrous roots by looking at the impression of its leaves on a sheet of paper. If the leaf has parallel venation, then it is likely to have fibrous root but if the leaf has reticulate venation then the plant will have tap root
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b)Adaptation is focussed on an organism's ability to change its physical and chemical make up to adjust to its habitat. Acclimation is a form of adaptation that an organism undergoes when transferred to a different habitat.
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3)a)Climate change and polar bears. Temperatures in the Arctic are rising at least twice as fast as the global average and sea ice cover is diminishing by nearly four per cent per decade. The loss of sea ice affects polar bears' ability to find food, studies show.
Polar Bears Can't Adapt to a Warming World. Polar bears will not be able to surmount the impacts of global warming on their Arctic habitat, according to scientists, because they will not be able to adjust their metabolism to survive on land-based prey during longer and longer periods with no sea ice.
b)High mountains are a bleak habitat for animal life.
Food is scarce and the climate is very cold.
Mammals living here have adapted to survive the bitter cold and most have thick woolly fur.
Mountain sheep and goats like the chamois and ibex are very sure-footed to help them climb the jagged, craggy slopes.
c)answer c the two nutrients that we get from food are carbohydrates and proteins carbohydrates give us energy to work on the other hand protein helps in muscle building and immunity building.
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d ) i- respiration in plants occur due to the store matters which are tiny pores present on the underside of the leaf on the other hand animals or humans perform respiration by the lungs.
ii- plants get nutrition from the food that that they make by the presence of a green pigment called chlorophyll in Green Leaves this pigment along with water sunlight and dioxide com food which gives nutrition to the plant. on the other hand animals get nutrition by the food they eat this food gives them energy and with that energy they get the nutrition.
_______________________________________a) Herbs - The herb is a short-sized plant with soft, green, delicate stem without the woody tissues.
Eg. - Wheat
Shrubs Shrubs are medium-sized,
woody plants taller than herbs and shorter than a tree. ...
Eg. - Lemon
Trees - Trees are big and tall plants. ...
Eg. - Peepal
Climbers - Eg. - Grape vine
Creepers - Eg. - Strawberry
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4 -b) I really do not think that elephants can survive in desert places because elephant need a huge amount of water for baby as well as for drinking and in desert areas there is not so much water that can fulfill the demand of an elephant moreover elephants favourite food is banana and approximately most of the time elephants need banana as their food and Banana is not so much available in desert region because there is no cultivation of Banana there only some plants of bananas are there in desert places
Answer:
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