AP BIOLOGY

EVOLUTION

PATTERNS OF EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When threatened, some animals make warning sounds to help other animals escape a predator.
A
Behavioral Adaptation
B
Structural Adaptation
Explanation: 

Detailed explanation-1: -In animal communication, an alarm signal is an antipredator adaptation in the form of signals emitted by social animals in response to danger. Many primates and birds have elaborate alarm calls for warning conspecifics of approaching predators.

Detailed explanation-2: -Behavioral Adaptation: Actions animals take to survive in their environments. Examples are hibernation, migration, and instincts. Example: Birds fly south in the winter because they can find more food.

Detailed explanation-3: -Camouflage is another example of an adaption that helps an animal to survive in its environment. Animals utilize camouflage to avoid detection by both predator and prey species.

Detailed explanation-4: -Adaptations help organisms survive in their ecological niche or habitat; adaptations can be anatomical, behavioural or physiological. The adaptations in the behaviour of an organism are termed as behavioural adaptations. It includes hibernation, aestivation, migration, etc.

Detailed explanation-5: -Body Parts. The shape of a beak, the type of feet, the placement of eyes, the presence of whiskers, the shape of the nose or ears, and the sharpness of teeth are all examples of structural adaptations which help different animals to survive.

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