What is a plant?
A green pigment found in the chloroplasts of plants, algae and some bacteria.
What is chlorophyll?
Plants that lack vascular tissue.
What are non vascular plants?
What is stomata?
Flowering plants that complete a life cycle in one growing season.
What are annuals?
Touch, gravity and light
What are the three stimuli that produce plant responses?
Are autotrophs and are surrounded by cell walls
What characteristics do all plants share?
anchor the plant and absorb water/nutrients.
What is the function of rhizoids?
The young plant that develops from the zygote (fertilized egg).
What is an embryo?
Angiosperms that complete their life cycle in 2 years
What are biennials?
The amount of darkness it receives.
What determines the time of flowering in plants?
A large storage sack that can expand and shrink
What is a vacuole?
Low-growing, have thin cell walls, and do not have roots for absorbing water from the ground.
What are the characteristics of non vascular plants?
What are two types of seed dispersal?
Flowering plants that live for more than 2 years (most of them flower every year).
What are perennials?
Helps plants survive freezing temperatures and lack of liquid water
What is the function of dormancy?
Surrounds the cell membrane and and separates the cell from the environment
What is the function of the cell wall in a plant cell?
Have vascular tissue and do not produce seeds
What are the characteristics of seedless vascular plants?
Pistils, petals, sepals, and stamens.
What are the four main parts of a flower?
Sporophyte and Gametophyte
What are the 2 stages of a plant's life cycle that all plants go through?
provide food, habitats, clean the water, protect the soil and are also the base of many products important to human life.
How are plants important to everyday life?
Ways to obtain water/nutrients, retain water, support their bodies, transport materials and reproduce.
What do plants need in order to successfully live on land?
Have vascular tissue and use pollen and seeds to reproduce. Most live on land.
What are the characteristics of seed plants and where to they live?
* Roots anchor a plant, absorb water/minerals and sometimes store food.
* The stem provides support for the plant and carries substances between the roots and leaves.
* Leaves capture the sun's energy and carry out
What are the functions of roots, stems & leaves?
Sexual reproduction that involves fertilization
How do plants reproduce?
medicine
What is a use of moss?