28. Which of the following would most likely spend the longest time as a main sequence star? a.
b.
c.
d.
a star with 0.7 solar masses
a star with 1.2 solar masses
a star with 7 solar masses
a star with 15 solar masses

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Which is the best example of plant tissue? the answer is d (just took the test)