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nirvana33 [79]
3 years ago
6

50 points + brainliest WRONG ANSWERS WILL BE REPORTED

Biology
1 answer:
Vsevolod [243]3 years ago
7 0

Answer:

i.  (answer is in the file I attached)  

ii. underground parts of the plants are thick , fleshy and swollen because they store food in the form of starch.

iii. Spines that have been converted into leaves. These prevent water loss by reducing surface area. The spines help defend the cacti from predatory animals. To decrease water loss due to evaporation, the cuticle is very thick and waxy.

iv. this plant is called a water lettuce it's leaves are modified to form modified to form hydrophyte They are aquatic plants that have evolved to thrive in water. This is capable of comprehending with aquatic macrophyte, which will be entirely submerged in water and in some circumstances allowed to float on the water's surface.  

hope this helps :)

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It is not a part of the human digestive system and considers as a vestigial organ. Vestigial organs are the organs that are present in an organism with no particular function and their removal will not lead to any harm. Humans do not need it because our digestive system is more efficient and works better in the first stages of digestion than they used to.

Thus, the correct answer is - appendix in humans.

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