IB ESS

The total mass of living tissue at each trophic level can be shown in a(n)

• energy pyramid

• pyramid of numbers

• biomass pyramid

• biogeochemical cycle

Tags

NGSS.MS-LS1-6

At which trophic level can you find an herbivore?

• 1st Level

• 2nd Level

• 3rd Level

• 4th Level

Tags

NGSS.MS-LS2-3

To measure primary productivity, you can measure carbon dioxide consumption, total carbohydrates produced or ________________.

• dissolved oxygen

• total proteins produced

• light energy entering system

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

productivity = the organic materials that remain after photosynthetic organisms in the ecosystem have used some of these compounds for their cellular energy needs (cellular respiration).

• Gross

• Primary

• Net

• Secondary

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The rate at which producers convert radiant energy into chemical energy

• trophic level

• net primary productivity

• gross primary productivity

• photosynthesis

Tags

NGSS.MS-LS1-6

If the amount of dissolved oxygen in the light bottle used for the investigation in the lesson does not change, an explanation for this is

• The rates of photosynthesis and respiration are equal

• Respiration is not occurring

• photosynthesis is not occurring

• no photosynthesis occurred

Tags

NGSS.MS-LS1-6

Which of the following is an appropriate unit of primary productivity

• kg/m2

• kg/m/day

• kJ/m2

• kg/m2/yr

Tags

NGSS.MS-LS1-6

__________ primary productivity = the organic materials that remain after photosynthetic organisms in the ecosystem have used some of these compounds for their cellular energy needs (cellular respiration).

• Gross

• Total

• Net

• Secondary

Tags

NGSS.MS-LS2-3

The biomass available for consumption by the herbivores and the decomposers is called

• Net primary productivity

• Secondary productivity

• Standing crop

• Gross primary productivity

Tags

NGSS.MS-LS2-3

Largest number of individuals of a population that a environment can support

• population 

• limiting factor

• carrying capacity

• none of these