Plant cells and animal cells: how they are alike and different
Grade 7 Science Worksheet - Building Confidence
Circle the best answer.
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Side-by-side cell diagram, not to scale. Cell 1 is boxy; Cell 2 is rounded. Matching parts carry the same letter in both cells: Cell 1 has letters A, B, C, D, E, F and G; Cell 2 has letters B, C, D and G. No part names are printed on the drawing. Word bank: cell wall, cell membrane, cytoplasm, nucleus, mitochondrion, chloroplast, large central vacuole.
Ari labels a drawing of two cells. Part B is the outer edge of Cell 2 and sits just inside part A in Cell 1. Which part is B?
- Cell wall
- Large central vacuole
- Cell membrane
- Cytoplasm
Bo labels a drawing of two cells. Part D appears in both Cell 1 and Cell 2. Which word from the bank could D be?
- Chloroplast
- Large central vacuole
- Mitochondrion
- Cell wall
Esme labels a drawing of two cells. Part A is the outermost layer of Cell 1, and Cell 2 has no part A. Which part is A?
- Nucleus
- Cell wall
- Cell membrane
- Mitochondrion
Two cell drawings, not to scale, with each part named. Cell 1 is rounded. Cell 2 is boxy. Jun looks at two cell drawings. Which cell is the plant cell, and what shows it?
- Cell 2, because it has no cell membrane
- Cell 1, because its outer edge is a cell wall
- Cell 2, because it has a cell wall and chloroplasts
- Cell 1, because it is rounder and smaller
Luz looks at two cell drawings. Which cell is the plant cell, and what shows it?
- Cell 2, because it has a stiff wall and a large vacuole
- Cell 1, because its edge is a thin cell wall
- Cell 2, because it has a wall instead of a membrane
- Cell 1, because Cell 2 has no chloroplasts
Milo fills in a parts chart. What belongs in the box marked “?”
- Yes: but they switch on when the leaf is in the dark
- No: chloroplasts do that job in plant cells
- Yes: plant cells have mitochondria too
- No: the cell wall leaves no room for them
Noah fills in a parts chart. What belongs in the box marked “?”
- No: the cell wall takes the membrane’s place
- Yes: the membrane sits just inside the cell wall
- No: plant cells have no mitochondria or membrane
- Yes: but it sits outside the cell wall
Pia fills in a parts chart. What belongs in the box marked “?”
- Yes: animal cells have a stiff wall too
- No: animal cells have a membrane but no cell wall
- Yes: the membrane counts as its cell wall
- No: and plant cells have a wall instead of a membrane
Cell theory card
(1) All living things are made of one or more cells. (2) The cell is the basic living unit. (3) New cells come only from cells that already exist.
Ren reads about cell theory. Which statement agrees with it?
- Animals are made of cells, but plants are not
- Only large living things are made of cells
- New cells can form from water and mud
- All living things are made of one or more cells
Tala reads about cell theory. Where do new cells come from?
- From nowhere: a living thing keeps the same cells as it grows
- From cells that already exist, which divide
- From the food a living thing eats
- From nonliving matter, such as soil