Ecology

Air

• Biotic factor

• Abiotic factor

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

Tags

NGSS.MS-LS1-6

The main source of energy for all life comes from ____.

• the Earth
• the moon
• the sun
• the food we eat/make

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What characteristic sets heterotrophs apart from autotrophs?

• Heterotrophs can be classified only as mammals.
• Heterotrophs use energy from the sun to make their own food.
• Heterotrophs obtain food from consuming other living or once-living things.
• Heterotrophs obtain food through the process of photosynthesis.

Which organism in this food chain is a producer?

• Fish
• Grass
• Grasshopper
• Hawk

Tags

NGSS.MS-LS2-3

In this food pyramid, which level has the greatest amount of energy?

• Producers
• Primary Consumers
• Secondary Consumers
• Tertiary Consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What happens to the energy that is not passed on to the next level?

• 80-90 percent is used by each member of the chain for life processes
• 80-90 percent may be lost to heat or waste products
• 80-90 percent may be eaten 
• A and B both

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Different populations living and interacting with each other in the same area

• Biome
• Ecosystem
• Community
• Niche

Tags

NGSS.MS-LS2-2

Two or more members of one type of species living and interacting in the same area

• Community
• Population
• Organisms
• Biosphere