Animals with radial symmetry have neither an anterior end nor a posterior end.
Answer the following statement true (T) or false (F)
True
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Using the information below calculate the total magnification
Objective magnification: 40 Ocular magnification: 10 (Hint: Objective x Ocular = Total)
Review the organisms that cause opportunistic mycoses and their predisposing factors by completing the sentence.
_____________ is a member of the normal microbiota in about 20% of humans. > Pneumocystis jiroveci > AIDS > Aspergillus > Thrush > Candida albicans > Antibiotics > Cryptococcus
What are the characteristics of stem cells? Check all that apply.
_____ Totipotent stem cells are part of a committed pathway within one cell lineage that will give rise to one specific cell type. _____ Pluripotent stem cells are descendants of the totipotent stem cells of the embryo. _____ A fertilized egg is a type of totipotent stem cell. _____ Pluripotent stem cells can differentiate into any cell type, except for totipotent stem cells and the cells of the placenta.
What can animals do to maintain an energy balance when food supplies become scarce in winter?
A. All of these answer options are correct. B. hibernate to reduce energy expenditure and conserve energy reserves C. migrate to areas with more abundant food supplies D. migrate to warmer areas E. build up enough of a positive energy balance during summer and fall to sustain them through the winter