Which of the following MOST accurately describes the arctic tundra? O cold, windy, tall pine and fir trees, abundant animal life
O flat, rainy, boggy, muddy plain
O dry, flat, cold, treeless plain
o cold, ice-covered mountains and valleys

Which macromolecules are polymers made of nucleotides (a) fatty acids (b) nucleic acids (c) carboxylic acids (d) amino acides

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

The transport tubes for food coming down the plants are called?