| A | B |
|---|
| organism | any living thing that can carry out its life on its own |
| cell | the smallest unit of living matter |
| unicelleilar | one-celled organism |
| multicellular | many-celled organisms |
| chlorophyll | a green chemical in a plant cell that allows plants to use the suns energy to make food |
| tissue | a group of similar cells that work together to do the same job |
| organ | a group of tissues working together to do acertain job |
| organ system | a group of organs that work together to do a certain job |
| classification | the science of organizing |
| kingdom | the largest group into which an organism |
| species | a group of similar organisms in a genus that can reproduce |
| vertebrate | an animal that has a backbone |
| invertebrate | an animal that has no backbone |
| vascular | plant tissues though which water and food more |
| nonvascular | containg no plant tissue though which water and food more |
| gymnosperm | a seed plant that does not produce flowers |
| angiosperm | a seed plant that produces flowers |
| xylem | the tissue through which water and minerals move through a plant |
| phloem | the tissue through which food from the leaves move through out the rest of a plant |
| cambuim | the layer in a plants that separate the xylem from the phloem |
| photosynthesis | the food makeingprocess in a green plant that uses sunlight |
| transpiration | the loss of water through a plants leaves. |
| cellular respiration | the prosess in which energy is realed from food unto cells |
| asymmertrical | cannot be divided into mirrior image |
| radial symmetry | a body plan in which all body parts of an organisms are arranged around a central point |
| bilateral symmetry | a body plan in which an organism can be divided along only one plane of its body to produce two mirriors images |
| marsupial | a mammal in which the offsprings develop after birth |
| placental mammal | a mammal whose young develops within the mother |
| skeletal system | the organ system made up of bones,tendons, and ligaments |
| muscular sysem | the body system made up of muscles that move bones |
| digestive system | the organs system that breaks down food so it can be absorbed into the bloodstream |
| excretory system | the set of ductless organs that secrete hormones directly into the bloodstream to regulate life processes |
| respitory system | the organs systems that brings oxegen to body cells and removes waste gas |
| nervous system | the set of organs that uses imformation from the senses to control other body system |
| endocrine system | the set of ductless organs that secrete hormones diectly into the bloodstream to regulate life produces |
| monotreme | a mammal that lays eggs |
| circulatory system | the organ system that consists of the heart and blood through your body |
