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What is the definition of respiration?
What is the definition of respiration?
The chemical reactions that occur inside living organisms that break down nutrient molecules to release energy.
What is the definition of sensitivity?
What is the definition of sensitivity?
The ability to detect changes and respond to change in the external or internal environment.
What is the meaning of 'species' when classifying organisms?
What is the meaning of 'species' when classifying organisms?
A group of organisms that have similar characteristics and can breed the produce fertile offspring.
What are the two components of the binomial system of naming organisms?
What are the two components of the binomial system of naming organisms?
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What are the reasons why classification is useful?
What are the reasons why classification is useful?
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What does DNA stand for?
What does DNA stand for?
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The DNA strand contains four different bases: adenine, thymine, guanine and cytosine.
The DNA strand contains four different bases: adenine, thymine, guanine and cytosine.
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Adenine bonds with guanine, and thymine bonds with cytosine.
Adenine bonds with guanine, and thymine bonds with cytosine.
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Which of the following is NOT a characteristic of vertebrates?
Which of the following is NOT a characteristic of vertebrates?
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Which of the following animals is an amphibian?
Which of the following animals is an amphibian?
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Which of the following is a characteristic of mammals?
Which of the following is a characteristic of mammals?
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Which of the following is a characteristic of fungi?
Which of the following is a characteristic of fungi?
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What is the name of the fine threads that compose the structure of most fungi?
What is the name of the fine threads that compose the structure of most fungi?
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Which of the following is a characteristic of protists?
Which of the following is a characteristic of protists?
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Give two examples of protists.
Give two examples of protists.
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Which of the following is a characteristic of prokaryotes?
Which of the following is a characteristic of prokaryotes?
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Viruses are considered part of the classification system for living organisms.
Viruses are considered part of the classification system for living organisms.
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What is the structure of a virus?
What is the structure of a virus?
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Which of the following plant groups is NOT included in the plant kingdom?
Which of the following plant groups is NOT included in the plant kingdom?
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Ferns reproduce using flowers and seeds.
Ferns reproduce using flowers and seeds.
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Where are spores produced on ferns?
Where are spores produced on ferns?
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What is the function of cotyledons?
What is the function of cotyledons?
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Monocots have:
Monocots have:
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Dicots have:
Dicots have:
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Study Notes
Living Organisms: Seven Characteristics
- Movement: An organism's ability to change its position or place.
- Respiration: Chemical reactions in organisms breaking down nutrients to release energy.
- Sensitivity: The ability to detect and respond to changes in the internal or external environment.
- Growth: A permanent increase in size and mass.
- Reproduction: Creation of new organisms of the same kind.
- Excretion: Removal of waste products of metabolism.
- Nutrition: Obtaining materials for energy, growth, and development.
Classification
- Species: A group of organisms with similar traits that can interbreed and produce fertile offspring.
- Binomial System: A naming system for organisms, using the genus and species names (e.g., Homo sapiens).
- Classification Usefulness: Classifying organisms helps identify different species and understand evolutionary relationships.
DNA
- Deoxyribonucleic Acid (DNA): A molecule with a double helix structure, containing genetic instructions for life.
- Chromosomes: Long, thread-like structures within the nucleus, composed of DNA.
- DNA Structure: DNA is composed of two parallel strands connected by bases (adenine, thymine, guanine, and cytosine).
Vertebrates
- Fish: Scales, gills, cold-blooded, lay eggs, fins.
- Mammals: Hair/fur, warm-blooded, give birth to live young, produce milk.
- Amphibians: Moist skin, breathe through lungs/skin, cold-blooded, lay eggs.
- Reptiles: Scales, breathe through lungs, cold-blooded, lay eggs.
- Birds: Feathers, breathe through lungs, warm-blooded, lay eggs.
The Five Kingdoms
- Animals, Plants, Fungi, Protists, Prokaryotes are the five kingdoms.
Features of Different Kingdoms
- Animals: Multicellular, contain a nucleus, lack cell walls or chloroplasts, obtain energy from other living organisms.
- Plants: Multicellular organisms with cell walls, often containing chloroplasts. They perform photosynthesis for energy and can be made of roots, stems, and leaves.
- Fungi: Usually multicellular (some unicellular), cell walls made of chitin. They obtain nourishment by absorbing organic matter.
- Protists: Organisms that can be multicellular or unicellular, containing a nucleus. Some have chloroplasts, and others obtain nourishment from other organisms or photosynthesis.
- Prokaryotes: Usually unicellular, lack a true nucleus and other membrane-bound organelles, single circular DNA, have cell walls made of peptidoglycan.
Viruses
- Viruses are not part of a classification system.
- They are not living organisms.
- They rely on host cells' metabolic processes.
- A virus is an assembly of RNA or DNA enclosed in a protein coat.
The Plant Kingdom
- The plant kingdom includes various groups like mosses, liverworts, ferns, conifers, and flowering plants.
- Ferns reproduce through spores, not flowers.
- Flowering plants reproduce through flowers and seeds, with seeds forming inside an ovary
Flowering Plants: Groups
- Monocots: One cotyledon, parallel veins, fibrous root system, petals in multiples of 3
- Dicots: Two cotyledons, net-like veins, taproot system, petals in multiples of 4 or 5
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Description
Test your understanding of the seven characteristics of living organisms along with their classification methods. This quiz covers essential concepts such as movement, respiration, and the binomial naming system. Perfect for students exploring biology and the characteristics that define life.
