Apes

One characteristic feature of the tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a permanently frozen subsoil. This characteristic is known as

• Hoarfrost

• Glaciation

• Permafrost

• Crystallization

Which biome covers most of the land mass near Earth's equator?

• Desert

• Grassland

• Tropical rainforest

• Temperate forest

__________ 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-LS1-6

NGSS.MS-LS2-3

The total quantity of all living matter in an area is called:

• Troposphere

• Net Primary Productivity

• Biomass

• Ecosystem

Tags

NGSS.MS-LS2-3

Ecological efficiency from one trophic level to the next is generally:

• 1%

• 10%

• 75%

• 90%

Tags

NGSS.MS-LS2-3

Where oceanic plates meet continental plates, old oceanic crust is pulled downward and the heavier oceanic crust slides underneath the lighter continental plate. This is called

• Seafloor spreading

• Abduction

• Subduction

• Convection

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

Seafloor spreading, rift valleys, volcanoes, and earthquakes will be found at what letter

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-3

What type of boundary is shown in the picture

• Convergent plate boundary

• Divergent plate boundary

• Transform plate boundary

Tags

NGSS.MS-ESS2-3

Which type of boundary results in the creation of mountains, island arcs, earthquakes, and volcanoes?

• Convergent

• Divergent

• Transform

Tags

NGSS.MS-ESS2-3

Which of the following occur when stress overcomes a locked fault, releasing stored energy.

• Rift Valleys

• Volcanoes

• Mountains

• Earthquake

Tags

NGSS.MS-ESS3-2