Understanding Science (Year 7 textbook)

Page 14

CELL STRUC TURE

How are plants different? In this field, one sunflower has grown a bigger flower than all the rest. How did it manage that? Keeping that huge flower up is an impressive feat. It doesn’t have a skeleton like we do, only a thin stem.

T ERMS

PL E

How does the thin stem support the heavy flower?

Cell wall Vacuole

Chloroplast

Cell parts in plants

F

CU S ON

the position, job and ec sp ial features of each part.

Photosynth

esis

Here’s what the inside of a plant cell looks like. Can you see how it’s different from an animal cell?

CELL WALL

strengthens the cell

M

VACUOLE

SA

Name each part of th e plant ce ll.

WR ON G!

Plant cells don't have a cell membrane.

keeps the cell rigid (hard)

CHLOROPLAST makes food

Plant cell

A plant cell is similar to an animal cell, but with extra parts.

ANIMAL CELL

EXTRA PARTS

RIG HT!

Plant cells have both a cell membrane and a cell wall.

=

+

Cell wall

The extra parts make a plant cell bigger than an animal cell.

16

Vacuole

Chloroplasts


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