Identify the following as radiolarians, foraminiferans, or both, using the following key. Enter the correct letters (A, B, or C) in the fields below: A. Radiolarians B. Foraminiferans C. Radiolarians and foraminiferans

Draw the structure of dna nucleotide with adenine as nitrogenous base

Explain how scientists use geologic time to determine the age of landforms.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.