Why is the energy available to a particular trophic level less the energy in the previous trophic level?

Which trophic level contains the most energy? __________________________

Use the following terms in a separate sentence. trophic level

Explain how pain is reduced by analgesics and how it can be modified, according to the gate control theory.

How many units of energy are available to the third level consumer?

Which trophic level has the least amount of energy available for the next highest trophic level?

a. secondary consumer

b. omnivore

c. decomposer

d. producer

(a) Explain the difference between gross and net primary production: _____ (b) Write a simple word equation to show how NPP is derived from GPP: _____

(a) Describe how energy may be lost from organisms in the form of: (i) Wastes: _____ (ii) Respiration: _____ (b) Identify another process that prevents energy being available to producers: _____

Why would an ecosystem with only a few different types of organisms have a less complex food web than an ecosystem with many different types of organisms?

What are the basic building blocks of DNA and RNA? A. ribose, B. purines, C. nucleotides, D. phosphorus.

On the energy pyramid, draw an arrow pointing to the trophic level that has the most available energy. ________________________

Complete the table about the main classes of symbiotic relationships.
$\,\,\,\,\,\,\,$MAIN CLASSES OF SYMBIOTIC RELATIONSHIPS

If there are 1623 calories available at the first trophic level, approximately how many calories of energy would be available to a third-level consumer (fourth trophic level)?

Software analysis of the salaries of a random sample of 288 Nevada teachers produced the confidence interval shown below. Which conclusion is correct? What’s wrong with the others?

$$\text { t-Inter val for } \mu : \left. \begin{array} { c c } { \text {with } 90.00 \% \text { Confidence, } } \\ { } { 38944 < \mu [ \text { TchPay]} < 42893 } \end{array} \right.$$

a) If we took many random samples of 288 Nevada teachers, about 9 out of 10 of them would produce this confidence interval. b) If we took many random samples of Nevada teachers, about 9 out of 10 of them would produce a confidence interval that contained the mean salary of all Nevada teachers. c) About 9 out of 10 Nevada teachers earn between $38,944 and$42,893. d) About 9 out of 10 of the teachers surveyed earn between $38,944 and$42,893. e) We are 90% confident that the average teacher salary in the United States is between $38,944 and$42,893.