Bio test 12

In the water cycle, changing liquid water to water vapor_______. A) requires energy B) is done by bacteria C) happens during condensation D) gives off energy

A

Which of following is part of the nitrogen cycle? a) Conversion of atmospheric N into NH4 or NO3 by bacteria b) Conversion of nitrogen from decaying organisms into ammonia c) Nitrogen fixation d) Denitrification

All answers

Which of these are part of the water cycle? a) Collection b) Precipitation c) Evaporation d) Condensation

All answers

In the water cycle, what is the next step after collection? A) precipitation B) evaporation C) photosynthesis D) condensation

B

Phosphorus is a component of which of the following? A) proteins B) DNA & RNA C) water D) Ammonia

B

Phosphorus is a component of which of the following? A) proteins B) ATP C) water D)ammonia

B

All of the water that is under an area or drains off of it that goes into the same place is ____. a) A watershed b) The water cycle c) The continental shelf d) An aquifer

a

Ammonia is a part of which cycle? a) Nitrogen b) Phosphorous c) Carbon d) Water

a

Cellular respiration is a part of which nutrient cycle? a) Carbon b) nitrogen c) Water d) Phosphorous

a

How do plants get carbon? a) By photosynthesis b) absorbing it through their leaves c) By cellular respiration d) Through assimilation in the nitrogen cycle

a

Nitrogen is a component of ____. a) Nucleic acids b) Carbohydrates c) Fats d) All of the above

a

Nitrogen-Fixing bacteria in the soil convert nitrogen from ______ to ______. a) Nitrogen gas; ammonia b) Ammonia; nitrate c) Ammonia; nitrogen gas d) nitrate; ammonia

a

Photosynthesis is a part of which nutrient cycle? a) carbon b) nitrogen c) Water d) Phosphorous

a

The primary producers in a coniferous forest ecosystem would most likely be _____. a) Pine tress b) Deer c) Plankton d) Decomposers

a

What is nitrogen a component of? a) Proteins b) Carbohydrates c) Fats d) water

a

Where is almost all of the Earth's surface water found? a) Ocean ecosystems b) Tropical rain forests c) freshwater lakes d) Ice caps and glaciers

a

Which cycle is transpiration a part of? a) Water b) Carbon c) Nitrogen d) Phosphorous

a

Which type of bacteria transform nitrate back into nitrogen gas? a) Denitrifying b) Nitrifying c) Nitrogen fixing d) Eukaryotic

a

A plant captures CO2 during photosynthesis. Which is the most likely path of C after this step? a) C is released into the water cycle by the plant b) C is transferred to a rabbit when the rabbit eats the plant c) C in the plant escapes by transpiration into the atmosphere d) C is destroyed when the plants dies and decomposes

b

Combustion is a part of which nutrient cycle? a) Nitrogen b) Carbon c) Water d) Phosphorous

b

If the niches of two organisms overlap what will happen? a) The two organisms will always form a symbiotic relationship b) The organisms will complete directly c)Both organisms will disappear from the habitat d) One organism evolves into a different species

b

Phosphorous is a component of which of the following? a) Proteins b)Cell Membranes c) Water d) Ammonia

b

Plants absorb phosphorous through their ____ and animals obtain it from _____. a) Roots; air b) Roots; food c) Leaves; air d) Leaves; food

b

The primary producers in a savanna ecosystem would most likely be ____. a) Insects b) Grasses c) Bacteria d) Algae

b

What human activity uses the most water, worldwide? a) Drinking b) Agriculture c) Industry d) Bathing

b

What is the physical location in an ecosystem in which a given species lives called? a) Food court b) Habitat c) Community d) Trophic level

b

Where is water in aquifers located? a) In lakes and oceans b) Underground in soil and rock c) In streams and rivers d) All of the above

b

Which of the following is true of the phosphorous cycle but NOT the water cycle? a) It involves multiple processes b) It does not include a gaseous form c) It involves the ocean d) It is not a major contributor to living things

b

Which type. of bacteria transform nitrogen gas (N2) into a usable form? a) Decomposers b) Nitrogen fixing c) Denitrifying bacteria d) Photosynthetic

b

Deposition is a part of which nutrient cycle? a) Nitrogen b) Carbon c) water d) Phosphorous

b and d

An underground formation of rock, soil, or sand holding water is ____. a) Lake b) Spring c) Aquifer d) Fossil fuel formation

c

Approximately what percent of earth's water is in the ocean? a) 37% b) 66% c) 97% d) 75%

c

Ecology is the study of the interaction of living organisms _____. a) With one another and their biotic factors b) And their communities c) With one another and their physical environment d) And the food they eat

c

Fossil fuels are a part of _____. a) The nitrogen cycle b) Cellular respiration c) The carbon cycle d) The phosphorous cycle

c

How do plants obtain water? a) Through their leaves b) As part of the nitrogen cycle c) Through their roots d) All of the above

c

In the levels of ecological organization, where do biomes fit? a) Smaller than ecosystems b) Larger than biosphere c) Larger than communities d) Smaller than populations

c

In the water cycle, what is the next step after evaporation? a) Collection b) Combustion c) Condensation d) Precipitation

c

Plants are _____. a) Found in most terrestrial biomes b) Found in the deep-water zone of most lakes and oceans c) The base of most aquatic food webs d) In the 3rd and 4th trophic levels of ocean ecosystems

c

Set of all resources an organism is theoretically capable of using under ideal conditions? a) Producer niche b) Consumer niche c) Fundamental niche d) Realized niche

c

The further an ecosystem is from the equator _____. a) The longer its growing season b) the greater its diversity c) The colder its temperature d) All of the above

c

What environmental impact does excess N from increased farming using man-made fertilizers cause? a) Increased oxygen in water b) Increase in fish population c) Decreased oxygen in water d) All of the above

c

What is the defining characteristic of a water cycle? a) It does not include any human water usage b) It passes through plants, animals, and the ocean c) It has the same starting and ending points d) The water passes through at least five different locations

c

What is the total dry weight of the organisms in an ecosystem? a) Trophic level b) energy level c) Biomass d) Ecomass

c

Where is water in aquifers located? a) In lakes and oceans b) In clouds c) Underground in soil and rock d) In streams and rivers

c

Which type of bacteria transform nitrate (NO3-) back into nitrogen gas (N2)? a) Decomposers b) Nitrogen fixing c) Denitrifying bacteria d) Photosynthetic

c

Carbon forms the backbone of which of the following compounds? a) Proteins b) Carbohydrates c) Fats d) All of the above

d

In an ecosystem, the niche that a species ultimately occupies is called its ____. a) Producer niche b) Consumer niche c) Fundamental niche d) Realized niche

d

The closer an ecosystem is to the equator ______. a) the longer its growing season b) the greater its diversity c) The warmer its temperature d) All of the above

d

The primary producers in a marine ecosystem would most likely be ____. a) Sponges b) Coral c) Sharks d) Plankton

d

What are the major groups of ecosystems occurring over wide areas of land with similar climates called? a) Communities b) Food chains c) Food webs d) Biomes

d

What happens EVERY TIME you remove one species from an ecosystem? a) The ecosystems became more divers b) The size of the ecosystem was reduced c) Food webs in the ecosystem became more complex d) The number of species in the ecosystem was reduced

d

What is phosphorus a component of? a) Proteins b) Carbohydrates c) Fats d) nucleic acids

d

What is the combined portions of the earth where life exits, including land, air, and water? a) Ecosystem b) Combined communities c) Carbon, nitrogen, and phosphorus cycles d) Biosphere

d

What principle states that 2 competitors cannot coexist in the same niche? a) Ecological segregation b) Community competition c) Fundamental niche d) Competitive exclusion

d

What sequence of processes transports water from the ocean into a cloud? a) Evaporation and Precipitation b) Precipitation and condensation c) Condensation and freezing d) Evaporation and condensation

d

Where does the energy to run the water cycle come from a) Evaporation b) Cellular respiration c) Carbon dioxide d) The sun

d

Where is the majority of the Earth's fresh water stored? a) In lakes b) Plants c) The atmosphere d) Glaciers and icecaps

d

Where is water in watersheds? a) In lakes and oceans b) Underground in soil and rock c) In streams and rivers d) All of the above

d

Which of the following contains the largest percentage of the Earth's water? a) Atmosphere b) Ice/snow c) Vegetation d) Oceans

d