D. 5
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Three different types of inks are used in this experiment. The ink are black, red and green in colour. During the course of the experiment, the black ink changes colour from light blue to dark blue and then to red. The red ink changes color from red to pink. The green ink changes colour from dark blue to green and then to yellow.
Answer:
1. Behavioral Adaption
2. Psychological Adaption
3. Structural Adaption
Explanation:
Adaption can protect animals from predators or from harsh weather. Many birds can hide in the tall grass and weeds and insects can change their colour to blend into the surroundings.
Answer:
Digestive
Explanation:
The by-products of digestion are solid waste which is removed through egestion.