WITH ANSWER RATIONALES 2026
◉ organ system.
Answer: the higher level of organization that consists of functionally
related organs
◉ Organism.
Answer: individual living entity that survive and reproduce as a unit
◉ Population.
Answer: all the individuals of a species living in a specific area
◉ Community.
Answer: All the different populations that live together in an area
◉ Ecosystem.
Answer: Consists of all the living things in a particular area together
with the abiotic parts of that environment.
◉ Biosphere.
,Answer: the of all ecosystems on Earth. Includes all habitable zones
on the planet, including land, soil, rocks the Earth's crust, water and
ice, and the atmosphere.
◉ Organization of Biosphere.
Answer: Molecule, Cell, Organism, Population, Community,
Ecosystem
◉ Homeostasis.
Answer: the ability to maintain a stable internal environment
◉ Nutrient.
Answer: Any matter an organism needs but cannot make for itself
◉ Waste.
Answer: Matter that is not used by an organism tat is excreted
◉ Energy.
Answer: the capacity to do work or to make a change in the location,
temperature, or structure of matter.
◉ Evolution.
, Answer: Scientific theory that explains how and why life changes
over time.
◉ natural selection.
Answer: A process in which individuals that have certain inherited
traits tend to survive and reproduce at higher rates than other
individuals because of those traits.
◉ sceintific inquiry.
Answer: an approach to asking and answering questions
◉ Protons.
Answer: Positively charged particles
◉ Neutrons.
Answer: the particles of the nucleus that have a neutral charge
◉ electron.
Answer: A subatomic particle that has a negative charge
◉ covalent bond.
Answer: A chemical bond that involves sharing a pair of electrons
between atoms in a molecule