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A science teacher asked students to describe and explain an internal adaptation that allows for a specific function. Students wrote the following:
Student 1: Leaf frogs can change their appearance to match their surroundings.
Student 2: Birds have hollow bones, enabling them to fly.
Student 3: Penguins live together in groups.
Student 4: Musk ox have thick, shaggy hair to protect them from cold temperatures.
Which student’s answer describes and explains an internal adaptation that allows for a specific function?
In order to determine which student's answer describes and explains an internal adaptation that allows for a specific function, we need to understand the concept of internal adaptations and their relation to specific functions.
Internal adaptations are physical or physiological traits that organisms possess to help them survive and carry out specific functions. These adaptations are usually not visible from the outside and are closely related to an organism's internal systems.
Now, let's analyze the answers provided by each student:
1. Student 1: Leaf frogs can change their appearance to match their surroundings.
This answer does not describe an internal adaptation, as changing appearance is primarily an external trait. It does not involve any specific internal structure or process that directly aids in a particular function.
2. Student 2: Birds have hollow bones, enabling them to fly.
This answer describes an internal adaptation, as hollow bones are a specific internal trait of birds that directly facilitates the function of flight. The hollow structure of their bones reduces their weight, allowing them to generate the necessary lift and maneuverability for flying.
3. Student 3: Penguins live together in groups.
This answer does not describe an internal adaptation. Living together in groups (social behavior) is more of an external behavior rather than an internal physiological trait.
4. Student 4: Musk ox have thick, shaggy hair to protect them from cold temperatures.
This answer does not describe an internal adaptation. Thick hair is an external feature that aids in insulation, preventing heat loss. It does not involve specific internal structures or processes.
Based on this analysis, we can determine that Student 2's answer about birds having hollow bones enabling them to fly is the correct answer. It describes an internal adaptation, the hollow bones, that directly allows for the specific function of flight.