Scientific process
What somebody makes using their senses
an observation
what is the basic building block of life
cells
the ability of an organism to maintain relatively constant internal conditions
Homeostasis
A virus is covered by a protective coat called what
Capsid
what is the study of life
biology
what is the first step in the scientific process
asking a question
an organism that lacks the ability to create its own nutrition from inorganic molecules such as bacteria
heterotroph
where do animals get their energy from
food
what does a virus need to reproduce
a host cell
the element that remains unchanged by other variables in an experiment.
Control
what step do you test your hypothesis
the experiment
Living things must be able to ______ to their environment.
all animals and plants have more than one cell so they are
multicellular
What type of cell does HIV attack
White Blood Cell
a educated guess or prediction
Hypothesis
a type of observation that is measurable
quantitative mesurement
what is needed for sexual reproduction
sperm and an egg
what process do plants use to get their energy
photosynthesis
What is a capsid made up of
protein
Data representing information that is not represented by numbers
Qualitative Data
variable that is changed in an experiment
the independent variable
What is a change in the DNA sequence
mutation
What is a signal to which an organism responds
Stimulus
what are the two parts to all viruses
nucleic acid (DNA) and protein coat
reproduction that involves two parent
sexual reproduction