It's Alive NYS Science Lab

What is the difference between unicellular and multicellular organisms?

• Unicellular organisms are made up of multiple cells, while multicellular organisms are made up of a single cell.

• Unicellular organisms are made up of a single cell, while multicellular organisms are made up of multiple cells.

• Unicellular organisms are larger in size compared to multicellular organisms.

• Unicellular organisms are only found in plants, while multicellular organisms are only found in animals.

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What is your evidence that this is from a multicellular organism?

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What is your evidence that this unicellular organism has individual parts that make up the cell?

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This organelle provides protection and support to plant cells.

This part of the cell works like a brain where it commands the activities of the cell.

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What is the smallest, most basic unit of life?

• Atom

• Cell

• bacteria

• Molecule

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This part of the cell controls what enters and leaves a cell. It is present in both plant and animal cells.

• chloroplast

• vacuole

• cell membrane

• mitochondria

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Two organelles that are present in plant cells but NOT in animals cells are: ​ (a)  

• cell walls and chloroplasts
• mitochondria and ribosomes
• cell membranes and vacuoles
• nuclei and cell walls
• mitochondria and vacuoles
• cytoplasm and cell walls

In the lab, you saw slides that were biotic and abiotic. What was one abiotic slide you saw? What evidence did you have for it being abiotic?

This is a microscope image of bacteria. If you increased the magnification power, how would the size and quantity of the bacteria observed change?