OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To look different from other species.
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To be able to eat the food readily available in the environment.
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To protect itself against predators.
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To protect itself against prey.
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Detailed explanation-1: -The different shaped beaks picked up certain types of food better than others. This is the result in physical characteristics in the same species working to give the birds an advantage in their environment.
Detailed explanation-2: -On the Galápagos, finches evolved based on different food sources-long, pointed beaks served well for snatching insects while broad, blunt beaks work best for cracking seeds and nuts.
Detailed explanation-3: -The differences between the species of animals, such as the beaks of different birds, are called genes.
Detailed explanation-4: -The arose by chance (random mutation). The environment made the change happen. The finches beaks changed a little at a time each generation.
Detailed explanation-5: -Large beak size is an adaptation to dry conditions. Finches grow larger when they have more water.