Gamete
Eggs in females sperm in males
Gametes
Eggs in females sperm in males
Rhizoids
Nonvascular, root-like structure that helps mosses attach to surfaces and help help plants get water and nutrients.
Vascular plants
have tissues made of cells that transport water and nutrients throughout the plant
The vascular system
Allows plants to grow large and still move water and materials effectively.
Seed plants
Vascularplants that reproduce by making seeds.
Seed
plant embryo and a food supply encased in a protective covering
Pollen
tiny structures that contain the cells that will later become sperm cells
Gymnosperms
A plant that produces seeds that are exposed rather than seeds enclosed in fruits
Angiosperms
flowering plants that produce seeds in fruit
Stamen
the male reproductive organ of a flower
Pistil
Female part of the flower
stigma
The tip of the female reproductive structure of a flower where the pollen lands
Pollen tube
A tube that grows down through the pistil into the ovary
Plant embryo
the early, undeveloped stage of a new plant
Ovule
Develops into a seed that surround and protect the embryo.
Monoecious
both sexes on the same plant
Dioecious
one sex or the other on the plant
Meristems
Regions of cells in plants that are capable of cell division and plant growth.
Producers
Organisms that make their own food
Photosynthesis is made in
Chloroplasts
Photosynthesis is made in
Chloroplasts
Tubers
Above ground stems from which new plants can grow
Plantlets
Tiny plants grow along the edges of a plants leaves (asexual reproduction)
Monocots
Have only one cotyledon
Dicots
Have two cotyledons
Transpiration
Evaporation of water from the leaves of a plant
Stimulas
A change in an organism's surroundings that causes the organism to react
Tropism
Plant growth in response to stimulas
Phototropism
A growth response to light
Gravitropism
A growth response to gravity
Dormant
The inactive state of a seed or other plant part when conditions are not right for growth
Wind, explosion, water, animals
Are all examples of seed dispersal