Hydrangea flowers come in a variety of colors such as pink, purple, and blue. As the pH of the soil becomes more acidic, the flowers will become pinker.
A species of beetles in the rain forest environment can be brown or green. The forest consists of many varieties of both brown and green plants, so neither color has an advantage. However, there are more brown beetles in this area than there are green beetles.
Arctic Foxes are naturally white. When temperatures begin to increase in the short summer months, the fox begins to produce brown fur color pigments and get darker.
Select only ONE choice per row:
Illustration
Environmental
Genetic
What type of change is observed in Hydrangea flowers as the pH of the soil becomes more acidic? What type of variation is observed in the species of beetles in the rain forest environment? What type of adaptation occurs in Arctic Foxes when temperatures begin to increase in the short summer months?
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Let’s analyze each scenario:
1. Hydrangea flowers changing color with soil pH: The correct choice is Environmental. This is because the flower color changes based on the external condition of soil pH, which influences the availability of nutrients without any genetic change occurring in the plant itself.
2. Beetles in the rain forest: The correct choice is Genetic. Although there are more brown beetles, the color is a result of genetic factors. The environment doesn’t favor one color over the other, but the population reflects genetic variation.
3. Arctic Foxes changing fur color: The correct choice is Environmental. The change in fur color due to temperature is an environmental response, as the foxes adapt to seasonal changes without altering their genetic makeup.
In summary:
– Hydrangeas: Environmental
– Beetles: Genetic
– Arctic Foxes: Environmental