AND LIFE SCIENCES WORKBOOK SOLVED
QUESTIONS COMPILATION
◉ Regulation vs Response to Environment.
Answer: Regulation = maintain internal environment; Response =
react to stimulus
◉ Evolutionary Adaptation.
Answer: Trait change over generations
◉ Cell Theory (3 parts).
Answer: 1) All living things are made of cells 2) Cells are basic unit
of life 3) All cells come from pre-existing cells
◉ 4 Things All Cells Have.
Answer: Plasma membrane, cytoplasm, DNA, ribosomes
◉ Biological Hierarchy (simplest → complex).
Answer: Molecule → Organelle → Cell → Tissue → Organ → Organ
System → Organism → Population → Community → Ecosystem →
Landscape → Biosphere
,◉ Prokaryotic Cell.
Answer: No nucleus, smaller, simpler
◉ Eukaryotic Cell.
Answer: Nucleus, organelles, larger
◉ Scientific Method Steps.
Answer: Observation → Question → Hypothesis → Experiment →
Analysis → Conclusion
◉ Inductive Reasoning.
Answer: Specific observations → general conclusion
◉ Deductive Reasoning.
Answer: General principle → specific prediction
◉ Independent Variable.
Answer: Factor manipulated
◉ Dependent Variable.
Answer: Factor measured
,◉ Darwin's Observations.
Answer: 1) Variation exists 2) More offspring than survive
◉ Darwin's Inferences.
Answer: 1) Traits affect survival/reproduction 2) Favorable traits
accumulate
◉ Natural vs Artificial Selection.
Answer: Natural = nature selects; Artificial = humans select
◉ Producer.
Answer: Organism that makes own food via photosynthesis
◉ Decomposer.
Answer: Organism that breaks down dead material
◉ Bacteria.
Answer: Single-celled prokaryote
◉ Archaea.
Answer: Prokaryotes, often extremophiles
, ◉ Eukarya.
Answer: Domain of all eukaryotic organisms
◉ Qualitative Data.
Answer: Descriptive, non-numerical
◉ Quantitative Data.
Answer: Numerical measurements
◉ Hypothesis.
Answer: Testable explanation
◉ Ecosystem.
Answer: Community + abiotic environment
◉ Population.
Answer: Group of same species in an area
◉ Community.
Answer: Different populations living together