Table of Contents
- 1 Why did the color of the peppered moth change?
- 2 Why do peppered moths tend to be the same color as the trees on which they live?
- 3 Why did dark colored rock pocket mice first appear in a population of light colored rock pocket mice quizlet?
- 4 What does the orange graph line represent?
- 5 How can I record the color of a piece of paper?
- 6 When does the color of an indicator change?
Why did the color of the peppered moth change?
The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. The frequency of dark-coloured moths increased at that time, an example of industrial melanism.
Why do peppered moths tend to be the same color as the trees on which they live?
Why do peppered moths tend to be the same color as the trees on which they live? The coloring goes along with tasting like the tree. It keeps the moth the same temperature as the tree. It makes the moths less likely to attract predators.
Why did dark colored rock pocket mice first appear in a population of light colored rock pocket mice quizlet?
Why did dark-colored rock pocket mice first appear in a population of light-colored rock pocket mice? They have a genetic mutation that affects their fur color. -Mutations for advantageous traits are more likely to be passed on to the next generation.
How the color of the moths increases or decreases their chances of survival?
Explain how the color of the moths increases or decreases their chances of survival. Dark moths survive better in a forest with dark trees because their wings blend in, camouflaging them from predators. If their wings were a different color their chances of survival would decrease.
Why do the pocket mice in the dark lava environment have white underbellies?
the top of their bodies, providing camouflage so predators won’t see them. The mice’s underbellies are white because there’s so selective pressure for it to be dark; the predators come from above. The differences in mouse fur color are driven by natural selection.
What does the orange graph line represent?
The orange line provides a valuation reference of fair value based on commonly use formulas for valuing a business. The dark blue line represents a calculation of the normal P/E ratio that the market has typically applied to a company over whatever time frame is graphed.
How can I record the color of a piece of paper?
Turn on the flashlight and aim it at the white paper. Observe and record the color of the paper in the data table. Repeat step 2 with the red, blue, and green pieces of paper. Place the red filter in front of the beam of the flash light as shown using tape or a rubber band to secure the cellophane paper filter.
When does the color of an indicator change?
Tell students that when you poured universal indicator solution into the cups, the acid and base each reacted with the indicator and changed its color. Usually, when two substances are mixed and a color change results, that is a clue that a chemical reaction has taken place.
What causes the universal indicator to change from green to purple?
Bases cause universal indicator to change from green toward purple. Water molecules (H 2O) can interact with one another to form H 3O + ions and OH − ions. At a pH of 7, there are equal numbers of H 3O + ions and OH − ions in water, and this is called a neutral solution.
What causes the color of a solution to change?
Whether a solution is acidic or basic can be measured on the pH scale. When universal indicator is added to a solution, the color change can indicate the approximate pH of the solution. Acids cause universal indicator solution to change from green toward red. Bases cause universal indicator to change from green toward purple.