How does meiosis i differ from meiosis ii?

a) the sister chromatids separate during meiosis i, but not during meiosis ii.
b) the homologous chromosomes pair up during meiosis ii, but not during meiosis i.
c) two sex cells are produced as a result of meiosis ii, but not as a result of meiosis i.
d) chromosome number decreases by half as a result of meiosis i, but not as a result of meiosis ii.

Plants are used for so many things. in your house alone, you can probably look around you and see where plants have been used. for this project, you will identify various uses of plants in your home. directions make a list of objects, products, and any other items around your house where plants were involved in the production of the item. you should have a list of at least twenty items. then respond to the following questions: note: your list of objects and the answers following should be at least 200 words in length. what if plants no longer existed on earth? how would your life be different?

Name the organs of humanelemintary canal.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils