apes quiz

if a producer starts with 10,000 kcal of energy, how much energy does the secondary consumer have?

100 kcal

every tropic level loses how much energy as you move up in the pyramid?

90%

describe net primary productivity and gross primary productivity

NPP is how much energy is lost and GPP is how much energy is gained.

which of the following has the lowest npp?

agricultural land

this process is responsible for most environmental problems of excess nitrogen and phosphorus entering streams, lakes, and oceans.

agricultural runoff

phosphorous is needed in organisms for the production of

all of the above

which of the following terms describes when NO3 is taken up by plants through their roots

assimilation

what is the largest nitrogen reservoir/sink?

atmosphere

which letter correctly identifies a process of the hydrologic cycle in which phase of water is changed from a liquid to a gas?

b

what type of organisms play a role in all four levels of the tropic pyramid?

decomposers

which of the following terms represents when NO3 is converted back to N2 by soil bacteria?

denitrification

which of the following pathways indicate how nitrogen is added to the largest nitrogen reservoir in the image above?

denitrifying bacteria and volcanic activity

this biome contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year round.

desert

identify a primary producer in the arctic food web

diatom

the table in image 7 shows the balancer of chemical equations that represent the three processes in the nitrogen cycle.

each part of the cycle demonstrates the law of conservation of matter/ energy.

which aquatic biomes are considered to have the highest npp?

estuaries

out of all the biogeochemical cycles, humans only interfere with the carbon cycle.

false

scientists calculated the net primary productivity at two different forests sites.

forest a producers have lower rates of cellular respiration than forest b producers.

which of the following statements is true of aquatic biomes?

freshwater biomes are a vital source of drinking water

which biome has the biggest threat of overgrazing by cattle, agriculture, and urban development

grassland

which of the following describes a symbiotic relationship?

intestinal bacteria inhabit the gut of humans

a group of hyenas are competing over the same animal carcass. what type of competition is this?

intraspecific

which biome is found in mid-latitude areas with tough plants and frequent fire?

shrubland

identify a primary consumer in the arctic food wev

krill

a tick and a human represent what type of symbiotic relationship

parasitism

what is the term for the layer permanently frozen soil found in the tundra

permafrost

which of the following would best describe x in the diagram above?

phosphorus and nitrogen are both required for plant growth

based on image 1, which of the following processes reduces the amount of carbon dioxide in the atmosphere?

photosynthesis

what is the only process that removes carbon from the atmosphere?

photosynthesis

identify a tertiary consumer in the arctic food web

polar bear

organisms require nitrogen to produce which of the following?

proteins and nucleus acid

according to image 5, the movement of phosphorus between biological organisms and soil...

readily available organic phosphorus in the soil is assimilated by plants

in the savanna the lions visit the watering hole in the morning.

resource partitioning

5 different species of warblers...

resource partitioning of the seeds reduced competition, and the five different species can live in the same tree.

the weathering of ______ releases phosphorus.

rocks

distribution of aquatic biomes is based on which main factor?

salinity

this biome is characterized by long dry seasons and is dominated by grasses, shrubs, and grazing animals.

savanna

based on image 5, which of the following reservoirs contain the most phosphorus?

sediments

in the nitrogen cycle illustrated above, nitrification occurs in which of the following steps?

step 3

in a fish species...

the chance of survival decreases when there is intraspecific competition for resources among surviving yearlings

which of the following major storage reservoirs of carbon, stored in the form of carbon dioxide, is not represented in image 1?

the ocean

which of the following is the best explanation for why there is a small amount of phosphorus that moves into aquatic systems?

there is not a gaseous phase of the phosphorus cycle, and therefore the movement of phosphorus into oceanic reservoirs is very slow.

what type of energy is released by all levels of the tropic pyramid?

thermal

which of the following processes of the hydrologic cycle is not represent by a letter?

transpiration

this biome is warm and wet, with a little seasonal variation in temperature and frequent precipitation.

tropical rainforest

which terrestrial biome has the highest carbon absorption?

tropical rainforest

unlike nitrogen, phosphorus can be assimilated directly from the soils by plants through their roots

true