Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
Biology
|
science of life
|
|
cell
|
smallest unit that can perform all life processes
|
|
reproduction
|
the process by which organisms make mor eof their own kind
|
|
metabolism
|
sum of all chemical processes occuring in an organism
|
|
homeostasis
|
the maintanance of stable internal conditions in spite of changes in the external environment
|
|
gene
|
section of a chromosome that codes for a protien or RNA molecule
|
|
heredity
|
transmission of genetic traits from parent to offspring
|
|
mutation
|
change in the DNA of a gene or chromosome
|
|
species
|
group of organisims that look alike and are capable of producing fertile offspring in nature
|
|
natural selection
|
process by which populations change in response to their environment as indivduals better adapred to the environment leave more offspring than individuals not suited to the environment
|
|
ecology
|
the study of the interactions of living organismims with one another and with their environment
|
|
HIV
|
human immunodeficiency virus; the infections virus that causes AIDS
|
|
cancer
|
a disease characterized by abnormal cell growth
|
|
cystic fibrosis
|
fatal genetic disorder in which excessive amounts of mucus are secreted, blocking intestinal and bronchial ducts and causing dificulty in breathing
|
|
observation
|
the act of noting or percieving objects or events using the senses
|
|
hypothesis
|
a proposed explanation for an observation that can be tested by observations or experimentation
|
|
prediction
|
the expected outcome if a hypothesis is correct
|
|
pH
|
measure of the acidity of a solution, representing the hydrogen ion concentration
|
|
experiment
|
a planned procedure to test a hypothesis
|
|
control group
|
a group in an expirament that does not recieve experimental treatment
|
|
independant variable
|
factor that is varied in an expirament
|
|
dependant variable
|
variable that is measure in an experiment
|
|
theory
|
explanation based on a set of related hypothesis that have been tested and confirmed many times
|
|
evolution
|
change in the gentic makeup of a population or species over time
|