questions with answers graded A+
2025/2026
Biology - ANS ✔✔The study of life and the branch of science that studies living organisms and
the way organisms interact with their environments.
Characteristics of Life - ANS ✔✔1. Be made of materials organized in a hierarchical pattern.
2. Use energy and raw materials to survive.
3. Sense and respond to changing environments and maintain internal stability, or homeostasis.
4. Grow, Develop and reproduce.
5. Be part of a population that evolves.
Cell - ANS ✔✔Is the smallest unit that displays all of the characteristics of a living organism.
Matter - ANS ✔✔any substance that has mass and takes up space.
Biotic matter - ANS ✔✔if it was ever alive at some point. ex. bacteria, cotton, Yogurt.
Abiotic matter - ANS ✔✔if it is nonliving and never has been alive. ex. water, Glucose, carbon
dioxide, Cold Virus.
All of the following are part of the sutdy of biology EXCEPT:
a) Living Organisms
b) The interaction between living organisms and their environment
, c) Earthquakes
d) Life - ANS ✔✔C. Earthquakes.
Atom - ANS ✔✔Basic unit of matter.
Molecule - ANS ✔✔a chemical structure consisting of at least two atoms held together by a
chemical bond.
Macromolecules - ANS ✔✔are important molecules that are technically polymers.
Prokaryotes - ANS ✔✔small and simple, they do not have andy clearly defined compartments
inside of them.
Eukaryotes - ANS ✔✔include membrane-bound organelles: compartments inside the cell that
contain specific groups of macro-molecules and carry out specific cellular functions.
Tissues - ANS ✔✔Are formed when similar cells work together to fulfill the same detailed
function
Organs - ANS ✔✔Are collections of tissues that work together to carry out a common general
function.
Organ System - ANS ✔✔group of organs that work together to perform a specific function
Organisms - ANS ✔✔are individual living entities that survive and reproduce as a unit. for
example: each tree in a forest is usually an individual organism.
Population - ANS ✔✔all the individuals of a species living within a specific area.