Global Connection: Newfoundland Cod Fishery Collapse Answers

Energy in higher trophic levels is greater than energy at lower trophic levels.

Which of the following statements about entropy is true?

Energy in an ecosystem flows directly from _______.

Which of the following levels is the most efficient at energy conversion?

Producers are the primary living source of energy in a food web.

When conducting scientific research, any information that is found must be analyzed to determine its validity. Joel is a firm believer that exposure to cold weather can cause the common cold. He conducts online research about this topic. Of the excerpts below, which would be considered biased?

Having some prior knowledge about your topic is helpful when conducting Internet research.

How are gross production and net production different?

Energy that is not passed on from one trophic level to the next is _______.

When researching online, as long as the gathered information is the result of a valid Internet search engine, it is not necessary to analyze it for bias.

When conducting scientific research, any information that is found must be analyzed to determine its validity. John believes that UFOs and extraterrestrial life exist. The excerpts below are an eyewitness account of UFO activity in South Carolina. Which of these observations is valid?

When conducting scientific research, appropriate methods must be used to find information that is reliable and valid. Angela was assigned a research project about human body systems for her anatomy course. She would like to focus on the immune system, and more specifically, the effects of HIV on the immune system. Which of the following options would be the best way for her to conduct an online search about her topic?

The relationship between the amount of energy available for use and the amount of entropy in a food chain differs between trophic levels. Why would the amount of entropy increase from one trophic level to another in a food chain or energy pyramid?

The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. Photos (left to right) by Mehmet Karatay, Jens Buurgaard Nielsen, Furryscaly, and Walter Siegmund How would the amount of available energy differ in the trophic level of the mouse compared to the trophic level of the hawk?

Gross production is the amount of energy left after cellular respiration.

The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. Photos (left to right) by Mehmet Karatay, Jens Buurgaard Nielsen, Furryscaly, and Walter Siegmund In the food chain shown, which of the following changes between trophic levels would have the highest energy conversion efficiency?

Which of the following is the most likely flow of energy in an aquatic ecosystem?

Energy in an ecosystem flow from consumers to producers.

Which of the following organisms in the soil food chain does not obtain energy directly from plants?

Entropy is greater at higher trophic levels than at lower levels.