Order these gasses from the most abundant in the atmosphere (1) to least abundant (3)

• Nitrogen

• Oxygen

• Other gases

What is the part of earth that contains all life?

• biosphere

• ecosystem

• biome

• salinity

The ocean regulates ​ (a)   in Earth's atmosphere.​

• temperature
• humidity
• wind speed
• air pressure
• cloud cover

Tags

NGSS.MS-ESS2-6

Label the hydrologic cycle

a

b

c

d

e

Run-off

Evaporation

Condensation

Infiltration

Precipitation

Tags

NGSS.MS-ESS2-4

Organize these factors as biotic or abiotic

Groups:

(a) Biotic

,

(b) Abiotic

• Sunlight

• Air

• Animals

• Rock

• Fungi

• Soil

• Water

• Humans

• Plants

• Bacteria

Tags

NGSS.MS-ESS2-1

Match the following terms to the correct definition

• All the populations in a specific area

• Ecosystem

• All the organisms of the same species in a specific area

• Community

• Interactions among living and non-living things in an environment

• Population

Match the following types of organisms to the correct definition.

• Organism that eats only meat

• Herbivore

• Organism that eats only plants

• Decomposer

• Organism that produces its own food

• Omnivore

• Organism that breaks down dead organic matter

• Carnivore

• Organism that eats both plants and animals

• Producer

Tags

NGSS.MS-LS2-3

Organize these events as causing either primary or secondary succession.

Groups:

(a) Primary Succession

,

(b) Secondary Succession

• Forest Fire

• Volcanic Eruption

• Human Activity

• Glacier Retreat

Tags

NGSS.MS-LS2-4

What is the difference between a food web and a food chain?

• A food web is only found in aquatic ecosystems, while a food chain is found in terrestrial ecosystems
• A food web is a linear sequence of organisms, while a food chain is a complex network
• A food web only includes plants, while a food chain includes animals
• A food web shows many feeding relationships by combining food chains.

Tags

NGSS.MS-LS2-3

Match the following population terms to their definitions.

• The number of individuals per unit area

• Population Density

• The rate at which the population is increasing or decreasing in size

• Population Dispersion

• The number of individuals in a population

• Population Size

• The spacing or pattern of individuals

• Population Growth Rate

Tags

NGSS.MS-LS2-1