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Chapter 3
Basic Structures of Organisms
39
Science
5th Grade
12/04/2008

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Term
cells
Definition
the smallest living parts of plants and animals
Term

cell

 

Definition
smallest structure of life
Term
sunlight
Definition
provides the energy for most of the life systems on Earth
Term
leaf
Definition

The part of the plant that makes food

Term
root
Definition
the plant structure that absorbs water and nutrients
Term
plants
Definition
base of a food chain
Term
leaf
Definition
plant structer that takes in carbon dioxide
Term
oxygen
Definition

the gas animals must breathe to live

Term
stem
Definition
the plant structure that moves water and food throughout a plant
Term
carnivore
Definition

animals that eat meat

lions, tigers...

Term
carbon dioxide
Definition

gas that animals release from their bodies when they breathe

Term
xylem
Definition
tissue that carries water and minerals to the leaves
Term
phloem
Definition
tissue that carries sugar away from the leaves
Term
vascular
Definition
the tube system that many plants use to transport materials
Term
roots
Definition
structures that anchor plants in the ground
Term
tissue
Definition
a group of the same kind of cells that work together to do the same job
Term
organ
Definition

a group of different tissues that join together into one structure

Term
vacuole
Definition

it stores water and nutrients in a cell

Term

cell membrane

Definition
lets sugar, water, and oxygen enter a cell and allows other materials to exit the cell
Term
blood
Definition
a tissue of the circulatory sytem
Term
common organs of the digestive system
Definition
mouth, stomach, intestines
Term
chlorophyll
Definition
a green substance that allows plants to make their own food
Term
choloroplast
Definition
a structure in a plant cell that stores chlorophyll
Term
photosynthesis
Definition
a process by which plants make sugar
Term
cellular respiration
Definition
a process by which cells break down sugar to release energy
Term
chlorophyll
Definition
causes leaves and some other plant parts to be green
Term
glucose
Definition
a sugar that contains energy for the plant
Term
sunlight
Definition

needed for photosynthesis; plants use energy from it

Term
bark
Definition
dead phloem
Term
food/energy
Definition
all cells need this
Term
nucleus
Definition
part of the cell that directs the cell's activities
Term
roots
Definition
take in water from the soil
Term
phloem
Definition
carries sugar from a plant's leaves to the rest of the plant
Term

xylem

Definition
tissue that carries material from a plant's roots to its leaves
Term
chlorophyll
Definition
green substance that allows plants to make their own food
Term
sugar
Definition
product of photosynthesis
Term
How do plant cells release the energy they need to live?
Definition

Plant cells break down sugar and react with oxygen to release energy

Term
Organ systems
Definition
organs working together
Term

Where does digestion begin?

Definition

in the mouth

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