<u>Answer:</u>
The<u> Lead </u>toxicity can result in slow growth and iron-deficiency anemia, and can damage the brain and central nervous system.
<u>Explanation:</u>
Lead poisoning is a form of metal poisoning in the body which is triggered by lead. The most prone of these is the brain. Signs can be abdominal pain, indigestion, fatigue, irritability, problems with memory, failure to have children and numbness in the hands and feet.
It triggers nearly 10 per cent of quite unknown cause's intellectual disability and can lead to behavioral problems. A few of the consequences are irreversible. In extreme cases there may be coma, anemia, seizures or death.
Building blocks of cell membranes, insulation, cell communication, energy storage, protection
Gray cannot blend. Dark rocks let black fur blend in. White sones can blend with white fur. Gray would stick out and then not survive. Population of black and white would go up, and then the gray would go down.
Autotrophs, I hope this helps!
Let's look through the answers:
Random mating - this is what dogs have done for centuries, and it produces mutts, not pure-breed dogs.
genetic engineering and gene sequencing are a relatively modern practice, and breeds have existed for a longer time - so this is also not correct.
the correct answer is selective breeding. This means that the owners mated the dogs with desirable traits and the likelihood that the puppies would have those traits too, increased. <span />
