IB ESS Topic 2

The graphs below summarize the average temperature and precipitation of different regions. Which figure best represents the climate where a temperate forest may be found?

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-6

Which of the following is a list of abiotic factors that affect the distribution of organisms?

• sunlight, decomposers, and soil pH

• Temperature, sunlight, and soil pH

• Water, sunlight, and competition

• disease, pH, and dissolved oxygen

Spiders mainly use a web and poisonous fangs to trap and eat insects such as flies.  What type of interaction is this?

• parasitism

• competition

• mutualism

• predation

Which of the following includes only essential requirements for photosynthesis?

• sunlight, carbon dioxide and oxygen

• water, nitrates and oxygen

• carbon dioxide, water and sunlight

• nitrates, water and sugar

Tags

NGSS.MS-LS1-6

Which of the following cannot be deduced from the figure?

• the standing crop of secondary consumers

• the trophic level with the lowest productivity

• the number of tropic levels in the food chain

• the natural capital of producers in terms of biomass.

Tags

NGSS.MS-LS2-3

The total quantity of organic matter produced by photosynthesis per area per unit time is the _____

• gross primary productivity

• net primary productivity

• secondary productivty

• dry biomass

Tags

NGSS.MS-LS1-6

Two herbivorous animals are part of the same community.  One of them is prey to many predators and the other has no natural predator.  They are _____

• primary consumers and occupy the same ecological niche

• primary producers and occupy the same ecology niche

• primary consumers and occupy different ecological niches

• primary producers and occupy different ecological niches

Which statement best describes the niche of a species in its habitat?

• the biotic components it requires

• the biotic and abiotic components it requires

• the particular place where a species lives

• the position of a species in a food web

Which statement(s) correctly describe the relative productivity of different biomes?

• I, II, and III

• I and II only

• II and III only

• III only

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3