Which of the following tissue types is characterized by having cells suspended within an extracellular matrix consisting of a mixture of fibrous proteins and carbohydrates?
A. nervous
B. muscular
C. epithelial
D. connective
E. digestive
D. connective
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Deforestation in areas like Madagascar can significantly affect the water cycle. Why is this?
A. Less moisture is transpired into the atmosphere. B. It is more difficult for soil nutrients to leech into streams. C. Weathering of rocks and soil does not release nutrients to bind to water. D. The rate of evapotranspiration increases dramatically. E. Cloud cover will increase.
In a closed circulatory system, transfers between blood and the cells of other tissues take place across:
a. capillaries b. veins c. arteries d. lymph vessels e. all blood vessels
In your lab, you notice that pea plants that were given a mixture of water and fertilizer have grown nearly three times as tall as pea plants that were given water only. This step of the scientific method is called:
A) stating a law. B) making an observation. C) drawing a conclusion. D) conducting a critical experiment. E) formulating a theory
The step that requires the use of inductive reasoning when making an active prediction from a sample of data is:
A. the creation of the p-value. B. determining the population parameter from a sample. C. the creation of the test statistic. D. the null hypothesis.