Questions with Complete Rationales
2026-2027.
Requirements of life - Answer 1. Organized
2. Requires material and energy
3. Reproduce and Develop
4. Respond to the environment
5. Maintain an internal environment
6. Ability to adapt to other environments
Hierarchical - Answer arranged in order of rank; starting off small- building up
1. atom - Answer smallest unit of an element
2. molecule - Answer two or more atoms joined together
3. cell - Answer membrane- bound unit that contains fundamental molecules of life
4. Tissue - Answer group of cells w common structure and function
5. Organ - Answer tissues that function together
6. organ system - Answer several organs that work together
7. Organism - Answer an individual that contains organ systems
8. species - Answer group of similar interbreeding organisms
9. population - Answer organisms of the same species within an area
Requirement 2: Materials/Energy - Answer Humans require materials and energy by eating
food
Food -> nutrients -> energy
, Chemical Cycling - Answer 1. Producers take in solar energy & inorganic nutrients (to make
organic nutrients) via photosynthesis
2. Organic nutrients taken by Consumers
3. Death/ decomposition of organisms allow for inorganic nutrients to be returned to the
producers again (decomposers)
Energy Flow - Answer Sun-> Plants-> Other Organisms-> Returns to atmosphere as heat
Requirements 3: Reproduction & Development - Answer Reproduction- making another
organism like themselves
Mutation- provide variation in genetic information (mutations allows for evolution)
Requirement 4: Environmental response - Answer Stimuli- relying on information we receive
and perceive from the environment
Ex. put a plant by the window= allows the plant to bend towards sun
Requirement 5: Maintenance of Internal Environment - Answer the internal environment must
be stable
Homeostasis- tenancy toward a stable environment
Ex. Body Temp, Hunger
Requirement 6: Adaptation - Answer Adapting- when an organisms becomes more suited for
the environment
Living Longer + producing offspring= Natural selection
The Classification of Living Things - Answer Kingdom, Phylum, Class, Order, Family, Genus,
Species= King Phillip Came Over For Great Sex lol
3 Domains of Life - Answer Archaea, Bacteria, Eukarya
- all contain plasma membrane
Typing Organisms Names - Answer Italicized
Writing Organisms Name - Answer Underlined
Challenges Facing Science - Answer 1. Climate Change- increase in CO2= greenhouse effect
2. Biodiversity/ Extinction