| A | B |
| angiosperm | A vascular plant that produces flowers |
| chloroplast | A kind of organelle in plant cells that contains chlorophyll, which enables the plant to make its own food |
| conifer | A plant that grows cones that produce seeds |
| dicotyledon | A seed that has two seed leaves |
| fern | A vascular plant that has feathery fronds and reproduces without seeds |
| germinate | The sprouting of a seed |
| gymnosperm | A seed-bearing plant whose seeds are not surrounded by a container |
| moss | A very short green plant that does not have true leaves, stems, and roots |
| ovary | The base of the pistil of a flower, containing ovules |
| phloem | The vessels in a vascular plant that carry food from the leaves to the other parts of the plant for use and storage |
| phototropism | The movement of a plant toward or away from light |
| Plantae | The name of the kingdom that is made up of plants |
| pollination | The process by which pollen from the anthers of a flower land on the stigma of a flower |
| spore | A structure that contains cells that can grow into a new plant without joining with other cells |
| stigma | The tip of the pistil of a flower where pollen grains land and stick |
| transpiration | The process by which plants lose water to the air |
| vascular plant | A plant that has tissues that carry water and dissolved materials |
| cell wall | The stiff outer layer that protects a plant cell and gives it shape |
| chlorophyll | A pigment, or coloring matter, that helps plants use light energy to produce sugars |
| cotyledons | The structures where food is stored in seeds |
| embryo | The tiny plant that forms from the fertilized egg |
| fertilization | The process in which a sperm cell joins with an egg cell to produce a new organism |
| gravitropism | A tropism in which the roots of a plant grow downward, in the direction of gravity |
| monocotyledon | A seed that has only one seed leaf |
| nonvascular plant | A plant that does not have tissues to transport food and water |
| petal | The part of the plant that is usually the largest and most visible part of a flower and helps protect the other parts of the flower |
| photosynthesis | The process by which plants make food |
| pistil | The female reproductive part of a flower |
| pollen | The powderlike male spores that develop into two male sex cells |
| seedling | The stage when a germinated seed begins growing and making its own food |
| stamen | The male reproductive parts of a flower |
| style | The stemlike part of the pistil of a flower that connects the stigma to the ovary |
| tropism | The response of a plant to turn toward or away from something in its environment |
| xylem | The vessels in a vascular plant that carry water and nutrients from the roots to the leaves |