CAMPBELL BIOLOGY CHAPTERS 1 19
UPDATED EXAM SCRIPT 2026 TEST
PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ Biosphere.
Answer: All of Earth's environments that support life.
◉ Ecosystem.
Answer: All living organisms and nonliving, physical things (ex: air,
soil, water, sunlight) in a particular area and their interactions.
◉ Community.
Answer: Organisms in an ecosystem.
◉ Population.
Answer: Interacting group of individuals in a species.
◉ Organism.
Answer: An individual in a species.
◉ Organ system.
Answer: Several organs that work together to perform a certain function.
, ◉ Organ.
Answer: A collection of tissues that carry out a specialized function of
the body.
◉ Cell.
Answer: A unit of living matter separated from its environment by a
membrane. It is the lowest level of structure that can perform all
activities required for life.
◉ Organelle.
Answer: A structure that performs a specific function in a cell.
◉ Molecule.
Answer: Two or more atoms held together by a covalent bond.
◉ Atom.
Answer: The smallest particle of matter.
◉ Producers.
Answer: Organisms that produce their own food (ex: plants). They use
photosynthesis to trap the sun's energy, use carbon dioxide from the air
and water from soil to make sugar molecules, and also get mineral
nutrients from the soil.
◉ Consumers.
UPDATED EXAM SCRIPT 2026 TEST
PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ Biosphere.
Answer: All of Earth's environments that support life.
◉ Ecosystem.
Answer: All living organisms and nonliving, physical things (ex: air,
soil, water, sunlight) in a particular area and their interactions.
◉ Community.
Answer: Organisms in an ecosystem.
◉ Population.
Answer: Interacting group of individuals in a species.
◉ Organism.
Answer: An individual in a species.
◉ Organ system.
Answer: Several organs that work together to perform a certain function.
, ◉ Organ.
Answer: A collection of tissues that carry out a specialized function of
the body.
◉ Cell.
Answer: A unit of living matter separated from its environment by a
membrane. It is the lowest level of structure that can perform all
activities required for life.
◉ Organelle.
Answer: A structure that performs a specific function in a cell.
◉ Molecule.
Answer: Two or more atoms held together by a covalent bond.
◉ Atom.
Answer: The smallest particle of matter.
◉ Producers.
Answer: Organisms that produce their own food (ex: plants). They use
photosynthesis to trap the sun's energy, use carbon dioxide from the air
and water from soil to make sugar molecules, and also get mineral
nutrients from the soil.
◉ Consumers.
