Chapter 4 Multiple Choice Questions

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. In which city was the 1992 Earth Summit held?

Paris correct incorrect

Stockholm correct incorrect

Rio de Janeiro correct incorrect

Rome correct incorrect

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. Which of the following structures or components do viruses and cells have in common?

Ribosomes correct incorrect

Nucleic acids correct incorrect

Golgi bodies correct incorrect

Bilipid cell membrane correct incorrect

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. What is a key characteristic of a Mimivirus?

A Mimivirusis very small and contains few genes. correct incorrect

A Mimiviruscontains both RNA and DNA. correct incorrect

A Mimivirus is very large and contains thousands of genes. correct incorrect

A Mimivirus can self-replicate. correct incorrect

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. To which group do seagrasses belong?

Monocotyledons correct incorrect

Dicotyledons correct incorrect

Microalgae correct incorrect

Seaweeds correct incorrect

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. What is the most common level of biological organizationat which marine biodiversity is assessed?

The genomic level correct incorrect

The cellular level correct incorrect

The species level correct incorrect

The ecosystem level correct incorrect

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. Which technique shows that Moon Jellyfishconsist of seven species and not just one species?

Chromatography correct incorrect

Electron microscopy correct incorrect

X-ray crystallography correct incorrect

DNA sequencing correct incorrect

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. Which one of the following statements is true?

An abyssal plane is likely to have a higher species diversity than a tidal shore. correct incorrect

An abyssal plane and a tidal shore are likely to have similar ecological diversities. correct incorrect

Both an abyssal plane and a tidal shore are likely to have high levels of ecological diversity. correct incorrect

An abyssal plane is likely to have a lower ecological diversity than a tidal shore. correct incorrect

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. Which of the following terms is used to refer most simply to the locality in which an organism lives?

Habitat correct incorrect

Ecosystem correct incorrect

Niche correct incorrect

Environment correct incorrect

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. Which of the following statements is Correct?

An ecosystem with a high functional diversity is generally assumed to be as healthy and resilient as one with a low functional diversity. correct incorrect

An ecosystem with a high functional diversity is generally assumed to be less healthy and less resilient than one with a low functional diversity. correct incorrect

An ecosystem with a high functional diversity is generally assumed to be healthier and more resilient than one with a low functional diversity. correct incorrect

An ecosystem with a high functional diversity is generally assumed to be healthier but less resilient than one with a low functional diversity. correct incorrect

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. In Robert T. Paine's field experiment at Mukkaw Bay, what effect did removing the starfish Pisaster ochraceus have on the rocky shore ecosystem?

Removing the starfish resulted in a significant increase in species diversity on the shore. correct incorrect

Removing the starfish resulted in a slight lowering of species diversity on the shore. correct incorrect

Removing the starfish resulted in no overall change in species diversity on the shore. correct incorrect

Removal of the starfish resulted in a significant decrease in the species diversity on the shore. correct incorrect