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Vocab for Ch 1,Lessons 1-2
Unit A Characteristics of Living Things; Ch 1, Lessons 1-2
13
Science
5th Grade
09/29/2007

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Term
cell
Definition
the smallest unit of living matter
Term
chlorophyll
Definition
A green chemical in plant cells that allows plants to use the Sun's energy for making food.
Term
tissue
Definition
A group of similar cells that work together at the same job.
Term
organ
Definition
A group of tissues that work together to do a certain job.
Term
organism
Definition
Any living thing that can carry out its life on its own.
Term
organ system
Definition
A group of organs that work together to do a certain job.
Term
vascular
Definition
Containing plant tissue through which water moves up and food moves down.
Term
nonvascular
Definition
Containing no plant tissue through which water and food move.
Term
invertebrate
Definition
An animal that does not have a backbone.
Term
vertebrate
Definition
An animal that has a backbone.
Term
fungus; plural: fungi
Definition
Members of a kingdom that contain one-celled and many-celled living things that absorb food from their environment.
Term
protist
Definition
A member of a kingdom that contains one-celled and many-celled living things, some that make food and some that hunt for food.
Term
bacteria; bacterium is singular
Definition
A member of either of two kingdoms of one-celled living things that have no nucleus, or center, in their cell body.
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