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Explain with the help of two examples how certain plants have evolved morphological and chemical defenses against primary consumers such as cows and goats.
Answers (1)
- Those of Acacia/ Catcus are morphological means of defense aganist cows or goats.
- Plants produce and store chemicals that make herbivore sick when they are eaten inhibit feeding or digestion and distrupt its reproduction or even kill it.
- Calotrophis produces highly poisonous cardiac glycosides so cows or goats can never browser on these plants. Chemical substances like nicotine, caffeine defences, Strychinine, Opium are actually defences aganist gracers and browzers.
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