Hippodamia convergens and Hippodamia variegata can mate but cannot produce fertile offspring because the number of chromosomes can make the development of the embryo unfeasible.
<h3>What are fertile hybrids?</h3>
The crossing between plants or animals of similar species can generate beings that, despite being hybrids, are fertile, even though in the initial phase of cell multiplication some chromosomes do not find the respective pair.
<h3>Why don't hybrids reproduce?</h3>
These differences in the number of chromosomes can make the development of the embryo unfeasible, as the alignment of equivalent chromosomes from the female and the male is necessary for the division of the fertilized cell to occur. When this alignment does not occur, the cell does not reproduce and dies.
With this information, we can conclude that Hybrid animals are beings from genetic crosses between different species, but of the same genus, that is, when two different animals cross and a new animal appears, usually sterile, due to their incompatible genes: the hybrid animal.
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Answer:
water melon model is the first model y
so the correct answer sequence is y z w x
The answer is the superposition principle.
The superposition principle states that the oldest rocks occurs on the <span>bottom of an undisturbed rock sequence. In other words, if the layers or rocks have not been disturbed, older rocks will lie beneath younger rocks. The principle is one of the most fundamental principles of geology. It could be very useful in determination of relative age of fossils.</span>
