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Questions and Answers
What is the function of roots in a plant?
What is the function of roots in a plant?
- To undergo photosynthesis
- To provide structural support
- To produce flowers
- To absorb water and nutrients (correct)
Plants are motile organisms.
Plants are motile organisms.
False (B)
What is the byproduct of photosynthesis?
What is the byproduct of photosynthesis?
Oxygen
The green pigment required for photosynthesis is called ______________.
The green pigment required for photosynthesis is called ______________.
What type of plant produces cones and seeds?
What type of plant produces cones and seeds?
Match the following plant functions with their descriptions:
Match the following plant functions with their descriptions:
Algae are non-vascular plants.
Algae are non-vascular plants.
What is the energy source produced during photosynthesis?
What is the energy source produced during photosynthesis?
What is a characteristic of plant cells?
What is a characteristic of plant cells?
Plants are capable of movement.
Plants are capable of movement.
What is the process by which plants convert light energy into chemical energy?
What is the process by which plants convert light energy into chemical energy?
The type of plant that reproduces via spores is called a ___________________.
The type of plant that reproduces via spores is called a ___________________.
Match the following plant structures with their functions:
Match the following plant structures with their functions:
Bryophytes are vascular plants.
Bryophytes are vascular plants.
What is the importance of plants in supporting ecosystems and biodiversity?
What is the importance of plants in supporting ecosystems and biodiversity?
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Study Notes
Characteristics of Plants
- Autotrophic organisms: produce their own food through photosynthesis
- Multicellular: composed of multiple cells
- Eukaryotic: cells have a true nucleus
- Non-motile: stationary organisms
Plant Structure
- Roots: underground structures that absorb water and nutrients
- Stems: above-ground structures that support leaves and transport materials
- Leaves: organs responsible for photosynthesis
- Flowers: reproductive structures that produce seeds and fruits
Photosynthesis
- Process by which plants convert light energy into chemical energy
- Requires:
- Light
- Water (H2O)
- Carbon dioxide (CO2)
- Chlorophyll (green pigment)
- Produces:
- Glucose (energy source)
- Oxygen (byproduct)
Types of Plants
- Flowering plants (Angiosperms): produce flowers and seeds
- Conifers (Gymnosperms): produce cones and seeds
- Ferns (Pteridophytes): produce spores
- Mosses (Bryophytes): non-vascular, produce spores
- Algae (Chlorophytes): simple, aquatic plants
Plant Functions
- Support: provide structural support for other organisms
- Food: produce food for humans and other organisms
- Oxygen: produce oxygen through photosynthesis
- Shelter: provide habitats for other organisms
- Medicine: source of medicinal compounds
Characteristics of Plants
- Autotrophic, producing their own food through photosynthesis
- Multicellular, composed of multiple cells
- Eukaryotic, cells have a true nucleus
- Non-motile, stationary organisms
Plant Structure
- Roots absorb water and nutrients underground
- Stems support leaves and transport materials above-ground
- Leaves are responsible for photosynthesis
- Flowers are reproductive structures that produce seeds and fruits
Photosynthesis
- Converts light energy into chemical energy
- Requires light, water, carbon dioxide, and chlorophyll
- Produces glucose as an energy source and oxygen as a byproduct
Types of Plants
- Flowering plants (Angiosperms) produce flowers and seeds
- Conifers (Gymnosperms) produce cones and seeds
- Ferns (Pteridophytes) produce spores
- Mosses (Bryophytes) are non-vascular, produce spores
- Algae (Chlorophytes) are simple, aquatic plants
Plant Functions
- Provide structural support for other organisms
- Produce food for humans and other organisms
- Produce oxygen through photosynthesis
- Provide habitats for other organisms
- Are a source of medicinal compounds
Characteristics of Plants
- Plants are multicellular, eukaryotic organisms that produce their own food through photosynthesis and are non-motile (stationary)
Plant Structure
- Roots are underground structures that absorb water and nutrients
- Stems are above-ground structures that support leaves and transport nutrients
- Leaves are organs of photosynthesis responsible for gas exchange
- Flowers are reproductive structures that produce seeds
Photosynthesis
- Is the process by which plants convert light energy into chemical energy
- Requires light, water (H2O), and carbon dioxide (CO2)
- Produces glucose (energy source) and oxygen (O2)
Types of Plants
- Bryophytes are non-vascular plants (e.g., mosses, liverworts)
- Pteridophytes are vascular plants that reproduce via spores (e.g., ferns)
- Gymnosperms are vascular plants with seeds, but no flowers (e.g., conifers)
- Angiosperms are flowering plants with seeds (e.g., fruits, vegetables)
Importance of Plants
- Provide oxygen and food for humans and animals
- Support ecosystems and biodiversity
- Help regulate the climate and water cycles
- Are used in medicine, construction, and other industries
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