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Questions in biology

[Answered] Once a conditioned behavior is extinguished, it can no longer appear again. Please select the best answer from the choices provided. A. True B. False

[Answered] Which statement would least likely be used to describe variation? A. Variations are inherited differences between individuals of the same species. B. Variations that decrease reproductive success are more likely to be passed on. C. Variations may result in changes to an entire population after many generations. D. Variations provide some individuals with an advantage.

[Answered] Select the best answer for the question. 16. Arrange the organization of life from simple to complex. A. Tissues, organs, cells, organ systems B. Tissues, cells, organs, organ systems C. Cells, tissues, organs, organ systems D. Organ systems, organs, tissues, cells

[Answered] The part of a cell that is responsible for energy production is A. lysosome. B. mitochondrion. C. nucleolus. D. ribosome. E. vacuole.

[Answered] In humans, evolution may have favored two eyes facing forward because it statistically increases the chance of detecting a stimulus. The combination of signals from the two eyes that enhances performance on many tasks is called A. stereoacuity B. binocular summation C. binocular vision D. stereo summation

[Answered] Select the best answer for the question. 6. Based on biological hierarchy, what can be inferred about the organization of life? A. Bigger systems build on smaller systems. B. Smaller systems build on larger systems. C. There are only two organisms within one population. D. There are no connections among organisms.

[Answered] Explain FOUR pieces of evidence that support the common ancestry of eukaryotes.

[Answered] (SLO 5) Describe some selective pressures on species that result from the human species.

[Answered] Lionfish are native to the tropical waters of the Indo-Pacific. What conclusions can be made, therefore, on biodiversity? As ocean temperatures have increased, the range of the lionfish has changed. As top predators, this reduces biodiversity. A. Global warming has forced the lionfish to warmer waters where it is able to mate with the native species. B. Climate change has restricted the habitat of lionfish. It has become an endangered species. C. Lionfish thrive in high carbon dioxide environments. They produce more offspring, which reduces biodiversity.

[Answered] Some plants are used as medicine to cure different diseases. Write a feature article to a magazine discussing some plants that have medicinal properties and what diseases they cure.