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A student draw the following flowchart to show the movement of nutrients.

Factory  Air Plants Animals

Which nutrient is the student most likely to be diagramming?

◯ A. Oxygen

◯ B. Sugar

◯ C. Carbon

◯ D. Nitrogen

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Related questions

A student drew the following flowchart to show the movement of nutrients through Earth's spheres.

                                                           Soil → Plants → Animals → Air

Which process directly moves nutrients from plants to the air?

◯ A. Photosynthesis

◯ B. Percolation

◯ C. Assimilation

◯ D. Transpiration

Which of the following is not a product of the light reactions of photosynthesis?

oxygen

ATP

sugar

NADPH

All of the following colors of light are used for photosynthesis except

orange

green

violet

blue

If you are heterozygous for sickle-cell anemia, you will be more likely to get malaria.

True

False

Asexual reproduction produces genetically identical individuals because

cell division occurs only in meiosis

no meiosis or fertilization take place

chromosomes do not have to replicate during asexual reproduction

it involves chromosome replication without cytokinesis

Animals inhale air containing oxygen and exhale air with less oxygen and more carbon dioxide. Plants use the carbon dioxide to make

ATP

water

oxygen

sugar

When does crossing over occur?

prophase I

metaphase I

prophase II

anaphase I

THIS IS PART A OF A QUESTION WITH ITS SUBPARTS

What approach could be used to determine if nitrogen availability in the soil directly limits the nutrient concentration of Metrosideros polymorpha leaves?

a)draining water from experimental plots where M. polymorpha is present
b) adding a known quantity of nitrogen to several experimental plots where M. polymorpha is present
c) removing leaf litter from a non-forested experimental plot and placing it into another where M. polymorpha is present
d) removing leaf litter from several experimental plots where M. polymorpha is present

e) Nutrient concentration in leaves cannot be accurately measured.

Decomposition would be highest in which of the following ecosystems?

a) temperate deciduous forest
b)desert
c) rain forest
d) coniferous (boreal) forest
e) arctic tundra

Which of the following is a result found by Dr. Schuur in this study?

View Available Hint(s)

Which of the following is a result found by Dr. Schuur in this study?

a. Low soil oxygen levels leads to an increase in the rates of decomposition and mineralization.
b. Litter quality has no effect on decomposition.
c. Lower soil nitrogen leads to higher nitrogen concentration in leaves.
d. High precipitation leads to low soil oxygen levels.
e. Increased nitrogen availability is responsible for the decline in net primary productivity across the rainfall gradient within his study area.

Why does soil oxygen concentration have a direct relationship to decomposition rates?

View Available Hint(s)

Why does soil oxygen concentration have a direct relationship to decomposition rates?

a. Soil oxygen reduces the presence of soil fungi (e.g., mycorrhizae).
b. Soil oxygen influences the concentration of carbon dioxide available to leaves.
c. Soil oxygen affects the uptake of nutrients by plant roots.
d. Soil oxygen allows microbes to break down carbon molecules.
e. Soil oxygen affects the uptake of water by plant roots.

The limiting factor on net primary productivity (NPP) in species-rich, lowland ecosystems is __________.

a. carbon

b. nitrogen

c. phosphorus

d. precipitation

e. soil oxygen

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