The correct answer to this question is this one: B.Postzygotic Barrier
B<span>y cross-breeding a tiger and a lion, a hybrid animal was created, but was infertile. The evolutionary barrier that caused the infertile offspring is called the postzygotic barrier. Hope this helps answer your question.</span>
Phosphorus is one example!
Because the rocks actually have stages and concrete is only a mixture of rocks
Answer:
Vascular system, in plants, assemblage of conducting tissues and associated supportive fibres. ... Xylem tissue transports water and dissolved minerals to the leaves, and phloem tissue conducts food from the leaves to all parts of the plant.
Explanation:
The answer is B Because fat (myelin) acts as an insulator, membrane coated with myelin will not conduct an impulse.