The gene responsible for lactose persistence among adults in Europe is a regulatory gene.
1) Answer:F<span>iltration occurs in the renal corpuscle.
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Blood that is going to be filtered enters the first part of the nephron, the glomerulus, which is a tuft
of capillary vessels. The glomerulus is inside a "sac" called a glomerular capsule.Together, the glomerulus and the glomerular capsule form the renal corpuscle, which is the filtering unit.
2)Answer: <span>the excess substance is not reabsorbed and will be excreted in the urine.
</span> The kidneys are able to control the amount of that substance that is needed. So, the needed amount will be reabsorbed and the rest that is in excess, will be wasted to form urine.
Lysosomes break down and recycle worn out cells.
Answer:
I think that birds have different bill lengths because of their habitats and their diet. Also natural selection and evolution has also played a factor due to the fact that birds have not always looked the way that they do now, for example the Archaeopteryx a bird that lived around the time of the dinosaurs had a shorter and more powerful bill to grind insects and small mammals
Explanation:
Answer:
It is A
Explanation:
It is the only one that makes sense
Hope this helps