Answer:
If females begin using different criteria than feather colour when they choose mates, it may lead to the decrease in variation of tail feather colours as the only reason for the variation is due to the selection pressure.
Explanation:
The females choose the opposite gender as their mates based on certain criteria which include the colour of the feathers, the colour of the eyes and many more. A male cardinal's red colour is the natural means by which the selection of the opposite gender is done by the females. When other criteria matter more than this red colour, it reduces the sexual selection pressure and therefore, this neutralization may lead to the decreased variety of tail feather colours in male cardinals.
Answer:
The closing of the stomata is controlled by the guard cells.
Explanation:
When guard cells loses water, they shrink and become flacid and straight leading to the closing of the stomata.
The various measures that can make your environment a sustainable environment is the use of renewable energy and recycling of materials.
<h3>What is environmental sustainability?</h3>
Environmental sustainability is defined as the controlled way human beings Interact with their immediate environment in such a way that depletion or degradation of natural resources is avoided.
Examples of environmental sustainability include the following:
- Renewable energy, such as solar, wind, hydroelectric, and biomass.
- Recycling of metals, such as iron and steel, and minerals.
The environmental sustainability is important due to the following:
- Increased energy, food and human-made resources we use every day.
- Rapid increase in population growth farming and manufacturing, which can lead to more greenhouse gas emissions, unsustainable energy use, and deforestation.
Learn more about pollution here:
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<span>He parizkova</span> studies indicates that physical activity has a FAVORABLE influence on boys' body composition during the growing years. When the boy increased body weight it will make his body leaner. Additional information, it was also found out that physical activity improves and has favorable effect.
Answer:
negative would mean your lungs are healthy