The nervous system, i could be wrong.
Vertebrates have back bones or spines that give there body support.
<span>It has provided clear and accurate pictures.
</span><span>The statement that best explains how the Hubble Space Telescope has made outer space exploration easier is that it has provided clear and accurate pictures. Particularly, the combination of images helped with detection of some particularly structures and galaxies that were hidden before.</span>
I think the correct answer would be the last option. Monozygotic twins are identical, while dizygotic twins are fraternal. Identical twins involves developing from one zygote where it splits, forming two embryos so that the twins would have more or less the same characteristics. This type of twins can share the same amniotic sac depending on the time the fertilized egg is divided. On the other hand, fraternal twins developed from two eggs wherein they are being fertilized by two different sperm cells resulting to twins which has different characteristics. For this type, the two fertilized eggs would develop separate amniotic sacs.
Answer: simple . They just ask you questions on how you are doing , not all teachers will give you math questions or biology questions . Ask her what the topics will be about .