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What is the main focus of biology?
What is the main focus of biology?
- The study of chemistry and physics
- The study of unity and diversity of life (correct)
- The study of human behavior
- The study of Earth's ecosystems
Which statement accurately describes the unity of all life forms?
Which statement accurately describes the unity of all life forms?
- They solely depend on human existence
- They are all multicellular organisms
- They share a common heritage and genetic code (correct)
- They are all prokaryotes
What is a key factor responsible for the diversity of living things?
What is a key factor responsible for the diversity of living things?
- Human dependence on diverse forms of life
- Evolutionary forces shaping them differently over long periods of time (correct)
- Genetic similarity among different species
- Photosynthetic abilities of plants
Which type of organisms are bacteria and Paramecium?
Which type of organisms are bacteria and Paramecium?
What distinguishes Paramecium from Bacteria?
What distinguishes Paramecium from Bacteria?
What do all living things (organisms) have in common?
What do all living things (organisms) have in common?
Which of the following is a characteristic shared by all living things?
Which of the following is a characteristic shared by all living things?
What is the smallest structural and functional unit of all living things?
What is the smallest structural and functional unit of all living things?
Which sequence represents the correct order of classification categories from more inclusive to least inclusive?
Which sequence represents the correct order of classification categories from more inclusive to least inclusive?
What is the hereditary characteristic where living things produce offspring that resemble themselves?
What is the hereditary characteristic where living things produce offspring that resemble themselves?
Which category is the brain mainly made of?
Which category is the brain mainly made of?
What is the genetic material in living organisms made of?
What is the genetic material in living organisms made of?
What defines life by recognizing what living things do?
What defines life by recognizing what living things do?
Which characteristic ensures that internal conditions in living things remain relatively stable?
Which characteristic ensures that internal conditions in living things remain relatively stable?
'Multicellular organisms have several cells of many types' exemplifies which level of biological organization?
'Multicellular organisms have several cells of many types' exemplifies which level of biological organization?
'Living things share the characteristics of life, which differentiate them from non-living things' suggests that they are organized in a similar manner and have genes made of which material?
'Living things share the characteristics of life, which differentiate them from non-living things' suggests that they are organized in a similar manner and have genes made of which material?
What is the main focus of biology?
What is the main focus of biology?
What distinguishes Paramecium from Bacteria and other organisms mentioned?
What distinguishes Paramecium from Bacteria and other organisms mentioned?
What ensures that internal conditions in living things remain relatively stable?
What ensures that internal conditions in living things remain relatively stable?
Which category primarily includes human beings as part of the diverse living world?
Which category primarily includes human beings as part of the diverse living world?
What is responsible for the diversity of living things?
What is responsible for the diversity of living things?
'Bacteria and Paramecium are unicellular (microscopic), the others are multicellular' exemplifies which aspect of biology?
'Bacteria and Paramecium are unicellular (microscopic), the others are multicellular' exemplifies which aspect of biology?
What is the genetic material in living organisms made of?
What is the genetic material in living organisms made of?
Which characteristic ensures that internal conditions in living things remain relatively stable?
Which characteristic ensures that internal conditions in living things remain relatively stable?
What distinguishes Paramecium from Bacteria?
What distinguishes Paramecium from Bacteria?
Which level of biological organization exemplifies the structure suitable for conducting a nerve impulse?
Which level of biological organization exemplifies the structure suitable for conducting a nerve impulse?
Which category is the brain mainly made of?
Which category is the brain mainly made of?
What is the main focus of biology?
What is the main focus of biology?
'Multicellular organisms have several cells of many types' exemplifies which level of biological organization?
'Multicellular organisms have several cells of many types' exemplifies which level of biological organization?
What defines life by recognizing what living things do?
What defines life by recognizing what living things do?
What is a key factor responsible for the diversity of living things?
What is a key factor responsible for the diversity of living things?
What do all living things (organisms) have in common?
What do all living things (organisms) have in common?
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Study Notes
- Biology is the scientific study of life in all its forms on Earth.
- Unity: All life forms share a common heritage, a common chemistry, genetic code, and basic life processes.
- Diversity: Living things come in many different forms and functions, shaped by evolution over long periods.
- Human beings are a part of the diverse living world.
- Unicellular organisms, like bacteria and Paramecium, are microscopic and simple, while multicellular organisms are complex and larger.
- Prokaryotes, like bacteria, have no nucleus, while eukaryotes have a nucleus and are more complex.
- Plants are photosynthetic and make their own food, while others do not.
- Definition of life: Organized from atoms to the biosphere, acquire materials and energy, grow and develop, reproduce, are homeostatic, respond to stimuli, and have adaptation.
- Organization of living systems begins with atoms, which make up molecules, and the cell is the smallest structural and functional unit.
- Multicellular organisms have multiple cells and tissues, which form organs and organ systems.
- Taxonomy is the science of classification to group organisms into categories from larger (more inclusive) to smaller (least inclusive) categories: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.
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