*Question*
Q: What celestial body in the solar system makes up most of its total mass? Choices: - Jupiter - earth - Andromeda - sun A:
**Answer**
sun

*Question*
Q: What can be described as a tiny male gametophyte enclosed in a tough capsule? Choices: - seed - cell - dna - grain of pollen A:
**Answer**
grain of pollen

*Question*
Q: How do plants support themselves above the ground to get light and oxygen? Choices: - momentum - flaccid stems - symbiosis - stiff stems A:
**Answer**
stiff stems

*Question*
Q: In addition to five classes of fish, what other classes make up the species of vertebrates? Choices: - amphibians , vertebrae , birds , and mammals - reptiles, birds, mammals, and primates - insects, amphibians, reptiles, and birds - amphibians, reptiles, birds, and mammals A:
**Answer**
amphibians, reptiles, birds, and mammals