Bonus Opportunity

Abiotic factors that affect the growth of grass in a lawn include _______

• bacteria and soil

• earthworms and nutrients

• moisture and minerals

• fertilizer and decomposers

Tags

NGSS.MS-LS1-5

Which statement best describes the flow of energy, and the movement of chemical compounds in an ecosystem?

• Energy flows into living organisms and remains there, while chemical compounds are transferred from organism to organisms.

• Chemical compounds flow in one direction in a food chain and energy is produced.

• Energy is transferred from organism to organism in a food chain and chemical compounds are recycled.

• Energy flows out of living organisms and is lost, while chemical compounds remain permanently inside organisms.

Tags

NGSS.MS-LS2-3

Which is an abiotic change in an ecosystem? 

• Plant photosynthesis rates increase.

• Fish species populations increase.

• Aquatic predator survival rates increase.

• Annual rainfall totals for an area increase.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The cycle most responsible for linking biogeochemical cycles is the:

• Carbon cycle

• Hydrologic cycle

• Nitrogen cycle

• Phosphorus cycle

• Sulfur cycle

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

The nitrogen cycle is unique in that atmospheric nitrogen cannot be converted directly by organisms into usable nitrogen. What is necessary in order for atmospheric nitrogen to be converted to usable nitrogen by organisms?

• Ammonification

• Denitrifying bacteria

• Nitrifying bacteria

• Decomposition

• Nitrogen fixation

Tags

NGSS.MS-LS2-3

The loss of energy in subsequent levels of a food web is due to which of the following?

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Law of Conservation of Mass

• Law of Conservation of Momentum

Tags

NGSS.MS-LS2-3

Which is the result of the suppression of forest fires?

• Increase in succession in forest ecosystems

• Severe fires when wildfires do occur

• Increase in biodiversity in forest ecosystems

• Abundance of soil nutrients

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Organisms have evolved to survive the environment in this biome through adaptations such as spines for protection and the ability of photosynthesis to take place in stems as opposed to leaves.  What is the name of this biome?

• Tundra

• Chaparral

• Temperate grassland

• Desert

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS4-4

This biome is dominated by coniferous trees. What is the name of this biome?

• Boreal forest

• Desert

• Tundra

• Temperate grassland

In this biome, permafrost keeps the soil frozen most of the year. What is the name of this biome?

• Tundra

• Desert

• Chaparral

• Temperate grassland

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3