Biology Test 9

Carbon, in the form of carbon dioxide (CO2), enters the atmosphere in several ways. Which of the following is NOT a process by which carbon dioxide enters the atmosphere? A. Transpiration by plants B. Respiration by oxygen-breathing animals C. Cellular respiration of plants D. Burning of fossil fuels, such as coal and oil

A

Energy flows from a lower trophic level to a higher level as organisms are consumed. Approximately how much energy is used for metabolic functions or is released as heat, and therefore is not available to the next trophic level of organisms? A. 90% B. 75% C. 30% D. 10%

A

In the following scientific name, which is the most general: Canis lupus familiaris? A. Canis B. lupus C. familiaris D. None of the above

A

Organisms are classified based on whether they are made up of prokaryotic or eukaryotic cells. Which statement is correct about the organelles found in eukaryotic cells? A. Each type of organelle has a specialized function. B. All the organelles have a very similar size and shape. C. Each type of organelle can be found in all types of cells. D. All the organelles contain the same chemical compounds.

A

Scientists use several methods to classify organisms. Which of the following is most useful for classifying organisms based on their evolutionary relationships? A. Genetic similarities B. Structural similarities C. Physiological similarities D. Habitat and niche similarities

A

What is the 10% Rule? A. The amount of energy available to the next trophic level in an ecosystem is 10%. B. The amount of energy lost to the next trophic level in an ecosystem is 10%. C. The amount of biomass available to the next trophic level in an ecosystem is 10%. D. The amount of biomass lost to the next trophic level in an ecosystem is 10%.

A

What level of a trophic pyramid is greatest in number of organisms? A. Producer B. Primary consumer C. Secondary consumer D. Decomposer

A

Which of the following factors is least likely to affect the variety of organisms that live in a freshwater environment? A. Mud depth B. Oxygen levels C. Water flow rate D. Water temperature

A

Which of the following would limit the amount of plants in a rainforest? A. The amount of sunlight reaching plants on the rainforest floor. B. The number of leaves on a particular plant. C. The number of insects that live on a plant. D. The ability to produce flowers year round.

A

Why is an increase in the ocean temperature a critical event for the amount of carbon dioxide in the atmosphere? A. Because gases dissolve more readily in liquids at cooler temperatures. B. Because gases dissolve more readily in liquids at higher temperatures. C. Because gases do not dissolve in liquids at all. D. More than one of the above answers is correct.

A

Within an ecosystem, energy flows between trophic levels. Why might a vegetarian argue that it is more energy-efficient for people to eat a plant-based diet than a meat-based diet? A. A human eating plants is eating at the lowest trophic level where the least amount of energy is lost through metabolic activities in the food source. B. Humans can digest plant matter easier than meat so more energy is obtained through the food consumed. C. There are more plants in the environment which means there is more energy available to the humans. D. The human body can convert chlorophyll into a more efficient energy source for the body to use.

A

Does a virus meet the requirements to be considered living? A. Yes, because it can reproduce. B. No, because it is not organized. C. Yes, because it can maintain homeostasis. D. No, because it is made of cells.

B

How do humans negatively impact the carbon cycle? A. By breathing out carbon dioxide B. By burning fossil fuels C. By polluting the oceans D. By strip mining.

B

What is a niche? A. A niche is the place where an organism lives. B. A niche is the role an organism plays. C. A niche is the climate in which an organism lives. D. A niche is the amount of energy an organism needs.

B

What is biomagnification? A. The decreasing concentration of a toxic chemical in organisms at higher trophic levels. B. The increasing concentration of a toxic chemical in organisms at higher trophic levels. C. The increasing concentration of a toxic chemical in organisms at lower trophic levels. D. The decreasing concentration of a toxic chemical in organisms at lower trophic levels.

B

What was the characteristic that divided birds into two distinct groups? A. External development in a shell B. Hollow bones for flight C. Internal development without a shell D. None of the above

B

What was the characteristic which divided fish from other classes in the Animalia Kingdom? A. External development in a shell B. External development without a shell C. Internal development in a shell D. Internal development without a shell

B

Which statement below is true? A. Energy cycles but matter flows. B. Matter cycles but energy flows. C. Energy and matter both cycle. D. Energy and matter both flow.

B

As water moves through the water cycle, it changes state and location. A scientist measures the movement of water through the water cycle. Where is this scientist most likely to find water molecules that have not changed state or location for hundreds of years or more? A. River B. Ocean C. Glacial ice D. Rain clouds

C

Carbon cycles between the atmosphere, oceans, organisms, and Earth's rocks, as shown in the diagram below. *Original diagram on Bell-Ringers March 4-8, 2019* What is one way in which carbon enters Earth's atmosphere? A. Plants photosynthesize. B. Rocks are mechanically weathered. C. Fossil fuels, such as coal and oil, are burned. D. Ocean water evaporates and carbon dioxide is released.

C

Food webs model the relationships among species that live in the same environment. Which of the following best illustrates a producer-decomposer relationship in an ecosystem? A. A ladybug eating aphids B. A squirrel eating walnuts C. Mushrooms on a tree stump D. A vulture eating from a rabbit carcass

C

In which domain are humans classified? A. Archaea B. Eubacteria C. Eukarya D. Animalia

C

Organisms are classified as either prokaryotes or eukaryotes. Which of the following would you find in all prokaryotic cells and eukaryotic cells? A. Nucleus B. Cell wall C. Cytoplasm D. Mitochondria

C

The water cycle describes the movement of water between Earth and the atmosphere. Examine the diagram of the water cycle below. *Original diagram on Exit Slips March 4-8, 2019* If processes A and B occur at a faster rate than processes C and D, what will result? A. The amount of water vapor in the air will decrease. B. More trees will grow on land. C. The water level in the lake will decrease. D. Clouds will stop forming.

C

What is the currently accepted structure of taxonomy? A. Three domains and three kingdoms B. Six domains and three kingdoms C. Three domains and six kingdoms D. Six domains and six kingdoms

C

What is the major division based on cellular organization of living things? A. Movement B. How the living things obtains nutrition C. Presence of membrane-bound organelles D. Ability to maintain body temperature

C

What is the overwhelming common factor among all members of the Animalia Kingdom? A. They are all prokaryotes. B. They are all mammals. C. They are all heterotrophs. D. They are all colonial.

C

What organisms can fix atmospheric nitrogen into a usable form for other organisms? A. Legumes B. Ammonium-oxidizing bacteria C. Nitrogen-fixing bacteria D. Nitrite-oxidizing bacteria

C

What type of reproduction do fungi undergo? A. Sexual B. Asexual C. Both A and B D. Neither A nor B

C

Which autotroph produces 60% of the world's oxygen? A. Dinoflagellates B. Foraminferan C. Algae D. Euglena

C

Which component would be affected for deer if the weather was particularly cold one winter? A. Food B. Water C. Shelter D. Space

C

Which of the following is not an example of precipitation? A. Rain B. Snow C. Lakes D. Dew

C

Why are algae considered protists and not plants? A. They do not have specialized structures resembling roots, stems, and leaves. B. They are found only in extreme marine environments like hydrothermal vents and super-salty bodies of water. C. They are more biochemically like protists than plants. D. None of the above.

C

In what environments do you find Archaebacteria? A. Areas of extreme salinity B. Areas of extreme heat C. Human colon D. All of the above

D

The oldest fossils are those of tiny bacteria, which are classified as prokaryotes. Why are these organisms classified as prokaryotes? A. They are the first organisms that appeared on Earth. B. They consist of cells that lack any genetic information. C. They are single-celled organisms that no longer exist on Earth. D. They are single-celled organisms that lack internal membrane-bound compartments.

D

The quantity of water on Earth has not changed greatly over millions of years. Which inference is best supported by this observation? A. Water vapor condenses in the air. B. Precipitation does not require an input of energy. C. Rates of evaporation have gradually increased over time. D. The rate of precipitation is usually about equal to the rates of transpiration and evaporation.

D

What biological process releases water to the atmosphere? A. Evaporation B. Condensation C. Precipitation D. Transpiration

D

What contributes to the amount of carbon dioxide in the atmosphere? A. Burning of fossil fuels B. Cellular respiration C. Decomposition D. All of the above

D

What is the difference between Domains Archaea and Eubacteria? A. Archaea are prokaryotes and eubacteria are eukaryotes. B. Archaea are extremophiles and eubacteria are not. C. Archaea are the oldest living organisms and eubacteria are not. D. More than one answer is correct.

D

What is the overwhelming common factor among all members of the Plantae Kingdom? A. They are all unicellular. B. They are all prokaryotes. C. They are all trees. D. They are all autotrophis.

D

What is the overwhelming common factor among members of the Fungi Kingdom? A. They are all prokaryotes. B. They are all molds. C. They are all internal heterotrophs. D. They are all external heterotrophs.

D

What was the characteristic that distinguishes mammals from other organisms in the Animalia Kingdom? A. Internal fertilization, external development B. External fertilization, external development C. External fertilization, internal development D. Internal fertilization, internal development

D

Which of the following is a biotic factor? A. Number of prey for a bald eagle B. Number of eggs laid in a nest C. Number of mating pairs of bald eagles D. All of the above

D

Which of the following is an abiotic factor? A. Water temperature B. Dissolved oxygen C. Altitude D. All of the above.

D

Which of the following is an example of a colonial protist? A. Euglena B. Paramecium C. Amoeba D. Volvox

D

Which of the following is not a component of habitat? A. Food B. Water C. Shelter D. Oxygen

D

Which of the following is not a pyramid used in describing relationships in an ecosystem? A. Energy B. Biomass C. Numbers D. Niches

D