COMPLETE QUESTIONS AND VERIFIED
SOLUTIONS
⩥ Biotic. Answer: living
⩥ Abiotic. Answer: nonliving, physical features of the environment,
including air, water, sunlight, soil, temperature, and climate
⩥ Observation. Answer: a statement based on something one has seen,
heard, or noticed.
⩥ Inference. Answer: A conclusion reached on the basis of evidence and
reasoning
⩥ Hypothesis. Answer: testable prediction derived from a scientific
theory
⩥ Independent Variable. Answer: The experimental factor that is
manipulated; the variable whose effect is being studied.
⩥ dependent variable. Answer: the factor you observe or measure during
an experiment
,⩥ constants. Answer: Conditions that stay the same in the experiment
⩥ bias. Answer: a tendency to prefer one thing over another, or to favor
one person, thing or explanation in a way that prevents objectivity
⩥ peer review. Answer: A process by which the procedures and results
of an experiment are evaluated by other scientists who are in the same
field or who are conducting similar research.
⩥ homeostasis. Answer: process by which organisms maintain a
relatively stable internal environment
⩥ regulation. Answer: process of controlling and coordinating internal
activities
⩥ respiration. Answer: process cells use to break down simple food
molecules to release the energy they contain.
⩥ Excretion. Answer: Process by which metabolic wastes are eliminated
from the body
⩥ Nutrition. Answer: the process of providing or obtaining the food
necessary for health and growth.
, ⩥ Transport. Answer: the movement of materials throught an organism
⩥ Autotroph. Answer: An organism that makes its own food
⩥ Heterotroph. Answer: An organism that cannot make its own food.
⩥ Reproduction. Answer: the production of offspring
⩥ Decomposer. Answer: An organism that breaks down wastes and dead
organisms
⩥ Scavenger. Answer: A carnivore that feeds on the bodies of dead
organisms
⩥ bioaccumulation. Answer: The build up of a substance, such as a toxic
chemical, in various tissues of a living organism.
⩥ biomagnification. Answer: The increase in chemical concentration in
animal tissues as the chemical moves up the food chain
⩥ invasive species. Answer: species that enter new ecosystems and
multiply, harming native species and their habitats