Soaps and detergents are very effective as sterilants.
Answer the following statement true (T) or false (F)
False
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Answer the following statements true (T) or false (F)
1. In red-winged blackbirds, females tend to choose males with the most desirable territories and males compete with each other for territories. Redwing blackbirds demonstrate both intersexual selection and intrasexual selection. 2. Cryptic female choice is a type of intrasexual selection. 3. A population undergoing microevolution would show Hardy-Weinberg disequilibrium. 4. The Mexican axolotl (Ambystoma mexicanum) is an amphibian that has a derived mode of development characterized by metamorphic failure. This mode of development results in an entirely aquatic life cycle and is an example of paedomorphosis.
The crown of the tooth is covered by _____, the hardest substance in the human body
a. enamel b. calcium c. bone d. dentin
Which biochemical would always be detected in the stomach contents of herbivorous dinosaurs?
a. Protein b. Lipids c. Starch d. Sugar
In your analysis of a newly discovered bacterial species, you find the bacteria reduce carbon dioxide to organic compounds but do not produce oxygen. The nutritional mode of this new bacterial species is most likely
A. anoxygenic chemoautotroph. B. anoxygenic photoautotroph. C. oxygenic chemoautotoph. D. anoxygenic chemoheterotoph. E. oxygenic photoautotroph.