How Can We Predict Changes in Ecosystems?

Which of the following BEST describes an ecosystem?

• A complex system that includes living things, living together, as well as the nonliving components of their environment.

• Living organisms using nonliving compenents to survive.

• A group of living and nonliving things.

• Consumers eating producers.

What does a tree need to live and grow? Check all that apply

• Water

• Carbon Dioxide

• Oxygen

• Sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The source of energy for all ecosystems is​ ​ ​ (a)  

• the sun.
• water
• water.
• plants.
• bacteria.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Use the food web to match each consumer with it's source of energy and matter.

• Mouse

• Rabbit

• Grain

• Fox

• Carrot

• Grasshopper

• bird

• Bird

• Grass

• Owl

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What does bromothymol blue (BTB) detect?

• energy

• matter

• oxygen

• carbon dioxide

Match the following

• cannot make their own food.

• Animals

• take in oxygen

• Producers

• make their own food.

• Consumers

Air is

• energy

• matter

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Sunlight is

• energy

• matter

Tags

NGSS.MS-LS1-6

Water is

• energy

• matter

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Bromothymol blue will be ​ (a)   if little or no carbon dioxide is detected. It will be ​ (b)   if carbon dioxide is detected.

• blue
• yellow

Tags

NGSS.MS-PS1-2