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 |