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science chptr 8; plants


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Spores
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Seedless vascular plants use ____ to reproduce.

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46 questions
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Spores
Seedless vascular plants use ____ to reproduce.
Woody
A stem that produces bark is ________
Water
A starting material for photosynthesis that plants draw in through their roots.
Embryo
A zygote develops into a/an ________.
Perennials
Flowering plants that live for more than two years.
Cambium
In a stem, the layer of cells that divides to produce new xylem and phloem.
Chlorophyll
The primary pigment in leaves is _____.
Conifer
The most common type of gymnosperm.
Dicot
Has two seed leaves
Cone
The reproductive structure of a conifer.
Photoperiodism
A plant's response to seasonal changes in the length of night and day.
Germination
When an embryo begins to grow and push out of the seed.
Cotyledon
A seed leaf that sometimes stores food.
Wort
Old English word that means plant.
Pollination
The transfer of pollen from the male reproductive structure to the female reproductive structure.
Stomata
Small opening on the surface of most leaves through which gases can move
Gymnosperm
A plant that produces seeds that are not enclosed in a protective fruit.
Fruit
Seeds on angiosperm are enclosed in a _____.
Vacuole
A storage sac in plant cells. A plant wilts when too much water has left its ______.
Zygote
When fertilization occurs, a _____ forms.
Sepals
Leaf-like structures that enclose a flower bud.
Sunlight
The energy source that powers photosynthesis.
Oxygen
A product of photosynthesis which we breath in is ____
Stamen
The male part of a flower.
Dormancy
A period when an organism growth or activity stops.
Cuticle
A waxy waterproof coating on leaves that keeps them from drying out.
Tropism
A plant's growth towards or away from a stimulus.
Pistil
The female part of a flower.
Herbaceous
A soft, green stem is _______.
Monocot
An angiosperm that has parallel veins.
Transpiration
The process by which water evaporates from a plants leaves
Chloroplast
The cell part that contains a green pigment and is the site of photosynthesis.
Rhizoids
Mosses are anchored by root like structures called _____.
Hydroponics
A method in which plants are grown in solutions of nutrients.
Fern
A common seedless vascular plant.
Angiosperm
A flowering plant that produces seeds in a protective structure.
Xylem
Vascular tubes that carry water up from the roots are ______.
Phloem
Vascular tubes that carry food from the leaves to the rest of the plant are ______.
Pollen
______ is produced by a male cone.
Anther
Pollen is produced in the ____ of a flower.
Ovary
The _______ of a flower contains one or more ovule. This is where the seed develops.
Ovule
The plant structure that contains an egg cell
Annuals
Flowering plants that complete their life cycle in one growing season
Auxin
A plant hormone that speeds up the rate of growth of plant cells.
Seed
A structure that contains a plant embryo inside a protective covering
Cap
The root ______ protects the root from injury as the root grows through the soil