| A | B |
|---|
| lipids | cannot mix with water |
| fats and oils | examples of lipids |
| nucleic acids | contain the information to make proteins; are made of nucleotides |
| simple carbohydrates | are made of a molecule or small group of molecules containing sugar; table sugar and fruit sugar are examples |
| complex carbohydrates | are made of hundreds of sugar molecules; starches such as rice and potatoes are examples |
| consumers | rely on other living things or organic matter for food |
| producers | make their own food using energy |
| decomposers | break down the nutrients in dead or decaying matter for food |
| mushroom | an example of a decomposer |
| pine tree | an example of a producer |
| house cat | an example of a consumer |
| ATP | the major energy-carrying molecule in the cell |
| enzymes | special proteins that speed up chemical reactions |
| proteins | build, repair and protect cells |
| phospholipids | molecules that make up most of the cell membrane |
| photosynthesis | process by which green plants produce food |
| heredity | the passing of traits from parents to offspring |
| non-living | something that was never alive and cannot perform life processes |
| dead | something that was once alive and was once able to perform the life processes |
| living | something that can perform the life processes |
| stimuli | sunlight, water and sound are examples |
| cell | the smallest unit of all living things |
| asexual reproduction | one parent produces offspring |
| hydra | example of an organism that performs asexual reproduction |
| air, water, a place to live and food | the four necessities of life |
| metabolism | all of the chemical activities that take place in a living thing |
| amino acids | smalle molecules which make up proteins |
