How do animals get their nitrogen A. By leaching nitrous from soil
B. From decomposed carcasses of other animals
C. From the consumption of plants and/or other animals
D. By Breathing

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

This rapid change in species that rarely leaves behind fossil evidence is referred to as

Follow the directions for self-quiz question 8, draw it, by labeling the appropriate structures with these terms, drawing lines or brackets as needed: chromosome (label as replicated or unreplicated), centromere, kinetochore, sister chromatids, nonsister chromatids, homologous pair, homologs, chiasma, sister chromatid, cohesion