Microorganisms in the Soil

A living thing that is too small to be seen without a microscope.

• Decomposer

• Health

• Microorganism

• Yeast

_____________ are single-celled spherical, spiral or rod shaped organisms.

• Yeast

• Algae

• Penicillin

• Bacteria

Which observation supports the claim that microorganisms are helpful to ecosystems?

• Microorganism are to small to been seen without special equipment.

• Microorganism need water and energy to survive.

• Millions of microorganism can often be found in soil.

• Microorganisms break down dead plants and animals, making nutrients available.

Tags

NGSS.MS-LS2-3

What is a living thing that is so small you need a microscope to see them?

• insect

• microorganism

• shrimp

• daisy

Tags

NGSS.MS-LS1-1

Which type of microorganism is primarily responsible for nitrogen fixation in the soil?

• Fungi

• Bacteria

• Viruses

• Algae

Tags

NGSS.MS-LS2-3

What role do microorganisms play in the decomposition process in soil?

• They produce oxygen

• They break down organic matter

• They absorb sunlight

• They create soil layers

Tags

NGSS.MS-LS2-3

Which of the following microorganisms is commonly found in soil and helps in decomposing organic material?

• E. coli

• Rhizobium

• Penicillium

• Lactobacillus

Tags

NGSS.MS-LS2-3

How do soil microorganisms contribute to plant growth?

• By providing shade

• By fixing carbon dioxide

• By enhancing nutrient availability

• By repelling insects

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which experiment can demonstrate the presence of microorganisms in soil?

• Observing soil under a microscope

• Measuring soil temperature

• Testing soil pH

• Weighing soil samples

Tags

NGSS.MS-LS1-1

What is the primary energy source for soil microorganisms?

• Sunlight

• Organic matter

• Inorganic minerals

• Water