4.3 Ecosystems

Ecosystem factors such as sunlight, water, nutrients, soil, and air are called _____________ factors.

• living

• renewable

• non-living

• nutrients

Tags

NGSS.MS-LS2-3

Look at the picture of the food web. Which term describes the tree in this food web?

• producer

• primary consumer

• secondary consumer

• decomposer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Look at the picture of the food web. Which term describes the fox in this food web?

• producer

• primary consumer

• secondary consumer

• decomposer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Look at the picture of the food web. Where is the most energy found?

• mouse

• fox

• squirrel

• tree

Tags

NGSS.MS-LS2-3

Look at the picture of the food web. Which would be most affected by a reduction in the number of foxes?

• falcon

• lynx

• tree

• mouse

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

All the organisms of the same species that live in the same place are called a/an _____________.

• ecosystem

• community

• population

• niche

Tags

NGSS.MS-LS2-4

All the populations of different species that live in the same place are called a/an _____________.

• ecosystem

• community

• population

• niche

The sun's energy cycles through ecosystems from...

• decomposers to consumers to producers.

• consumers to producers to decomposers.

• producers to consumers to decomposers.

• consumers to decomposers to producers.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following make their food through the process of photosynthesis?

• decomposers

• consumers

• producers

• all of these

Tags

NGSS.MS-LS1-6

Which answers correctly matches the type of organism with its role? Select all that are true.

• consumer - eats to get its energy

• consumer - breaks down dead matter and returns it to the soil

• decomposer - eats to get its energy

• decomposer - breaks down dead matter and returns it to the soil

Tags

NGSS.MS-LS2-3