Ch. 2 Flashcards
(30 cards)
chlorophyll:
the green pigment in leaves in leaves that collects energy from sunlight
chloroplasts:
plan organelles inside which photosynthesis takes place
photosynthesis:
the process by which plants use light energy to convert water and carbon dioxide into sugar and oxygen
stomata:
small openings through which gases move in and of of leaves
nonvascular plant:
a simple, plant that lacks true leaves, stems, and roots
phloem:
specialized tissue within roots, stems, and leaves that move materals
transpiration:
evaporation through the leaves of a plant
vascular plant;
a plant with specialized tissues and organs for transporting materials and other functions in and out
xylem:
specialized plant tissue that moves materials
angiosperm:
plants with seeds covered by protective fruits
gymnosperm:
plants with seeds that are not covered by protective fruits
pollination:
process of delivering pollen (male) to the egg (female) in a plant
spores:
reproductive structures found in fungi and simple plants
The energy used for photosynthesis comes from the ___
Sun
Teo products of photoshynthesis are->
Sugars and oxygen
The three kinds of molecules sugars (or carbohydrates) are ->
Oxygen, hydrogen, and carbon
Leaves are the major organsof _____________ in plants
Photosynthesis
The 4 parts of a leaf are the ->
Blade, epidermis, stomata, and veins
People and animals breathe in and out oxygen and inhale _______ _______
Carbon dioxide
Plants take incarbon dioxide and realease __
O2
Fossil fuels contain carbon dioxide from dead organisms. The carrbon is realeased when the fuels are ______
Burnt
Three forces that help water to move upward is:
Root pressure, cohesion, and transpiration
Of the forces, transpiration is the most powerful force, and is strong enough to pull water to ___ _____ __ ____ ______
The tops of tall trees
Scientists classify plants into 2 major groups: those that reproduce with seeds and those that _________ ____ ______
Reporoduce with seeds
