It's actually the opposite. In the arctic tundra water doesn't sink because the soil beneath it is frozen.
Those with the trait will carry on and reproduce and the offspring will have that same favorable trait, while he ones without the trait will die off and not reproduce. This is called natural selection.
Answer:
A colorless crystalline organic base that is the parent compound of various biologically important derivatives.
Explanation:
The answer is kidneys, lungs, and skin.
Beside kidneys, lungs, and skin, the excretory organs are liver, large intestine, urinary bladder, gallbladder, urethra, and ureter.
Kidneys are involved in the excretory system by filtering wastes which are excreted as urine. The lungs excrete carbon dioxide from the organism. Skin performs excretion through the sweat glands which produce sweat. Through sweat salt, water, oils are excreted out the organism.
Their child can not have a widow's peak, seeing as widow's peak is a dominant trait. They need two recessive alleles to have a straight hairline, meaning none can be inherited by the child.
Hope this helps.
