Judy took some dead grass and soaked it in water for a few days. Then she looked at it under a microscope. She saw some tiny things moving around under the microscope. How could Judy tell whether what she was looking at were living things? Check all of the following that could be used to decide whether the things Judy saw were living. (

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals