Share 7th grade Midterm Study guide
Save to Folder
Which of the following is not a characteristic of living microorganisms?
Ability to reproduce
Ability to remain completely stationary
Ability to grow
How many main types of microorganisms are there?
4
3
5
Which microorganisms can make their own food using sunlight?
Algae
Bacteria
Protozoa
What does the MRS GREN model help us understand?
Life processes of living things
Bacterial growth
How microbes are cooked
Why are viruses considered special?
They are not technically alive
They live in water only
They infect only plants
How many bacteria can exist in one gram of soil?
About 4 million
Fewer than 1 million
More than 40 million
What tool do we use to study microorganisms?
Thermometer
Telescope
Microscope
How do bacteria reproduce?
Cell division
Sexual reproduction
Photosynthesis
What type of microorganism includes yeasts and molds?
Fungi
Bacteria
Protozoa
What technique do scientists use to see microbial cells?
Magnifying glass
Staining methods
Cooking methods
What is the basic unit of life?
Tissue
Organ
Cell
Which cell part controls what goes in and out?
Nucleus
Cytoplasm
Cell membrane
What process do plants use to make food?
Excretion
Photosynthesis
Digestion
Which tool is used to measure temperature?
Beaker
Retort stand
Thermometer
What is the first step in the scientific method?
Make a prediction
Analyze data
Ask a question
What is the role of the dependent variable?
It stays the same
It is measured
It is changed
