Cells and Organisms-Life Science-Week 1

Which TWO of the following can help us see details in cells?

• Opening a refrigerator

• Opening the cell

• Using a microscope

• Staining a cell with food coloring

What would be the best title for these characteristics?

Change and develop over time

Turn food or sunlight into energy

Get rid of waste material

Reproduce to create more of same kind

Respond to things round them

• Characteristics of Non-living Things

• Characteristics of Animals

• Characteristics of Plants

• Characteristics of All Living Things

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Which of the following is a single cell people can see without a microscope?

• A chicken egg

• A goldfish

• A microorganism

• Bacteria

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Which part of a cell is the largest and contains information for making new cells?

• The cell wall

• The tissue

• The nucleus

• The cell membrane

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What is the largest organ in the human body?

• The stomach

• The brain

• The heart

• The skin

What job do the flagella (tiny "tails") perform in some single-celled microorganisms?

• Help it move

• Help it get food

• Help it reproduce

• Help it grow

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The heart, which pumps blood through the body, is made up of this kind of tissue.

• Nerve tissue

• Bone tissue

• Muscle tissue

• Cartliage

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Which of the following is NOT a way that microorganisms change their environment?

• Leave fossils for scientists to study

• Cause disease or illness

• Provide food for other animals

• Feed on dead organisms

__________ are the tiny "factories" inside cells.

• Tissue

• Organism

• Organelles

• Cell

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Humans display all five characteristics of organisms, choose 3 of them from the list below.

• Change and develop-grew inches last year

• Turn food into energy-eat for brain energy

• Absorbs sunlight-body grows from being in direct sun

• Respond-catch a ball thrown to you

• Photosynthesis-make their own food

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