Science Vocabulary
Chapter 1A
(13 Words)

bacteria – members of either of two kingdoms of one-celled living things   that have no nucleus, or center, in their cell body

cell – the smallest unit of living matter

chlorophyll – a green chemical in plant cells that allows plants to use the Sun’s energy for making food

fungus – members of a kingdom that contain one-celled and many-celled living things that absorb food from their environment

invertebrate – an animal that does not have a backbone

nonvascular – containing no plant tissue through which water and food move

organ – a group of tissues that work together to do a certain job

organism – any living thing that can carry out its life on its own

organ system – a group of organs that work together to do a certain job

protist – a member of a kingdom that contains one-celled and many-celled living things, some that make food and some that hunt for food

tissue – a group of similar cells that work together at the same job

vascular – containing plant tissue through which water moves up and food moves down

vertebrate – an animal that has a backbone