Biology
What is the smallest unit of life?
cell
Describe the very first organisms
unicellular
What is an egg and a sperm together?
zygote
Another name for natural selection
The statement that you give and then test
hypothesis
What are living things called?
Organisms
Describe organisms like trees, plants, pigs, and humans
multicellular
Organisms transmit hereditary information to their offspring
inheritance
What is the way that species change over time called?
evolution
employing your five senses to perceive objects or events
observation
Do species change or stay the same over time?
change!
How many different species are there on earth?
millions
Genetic blueprint
DNA
What are organisms that create their own food called?
autotrophs
gathering data under controlled conditions
experimenting
homeostasis
Multicellular organisms create cells which specialize. What is this called?
Differentiation
What kind of reproduction comes from two parents?
Sexual
what are organisms that must eat food to get energy called?
heterotrophs
To prove that something is true, you need this
evidence
Give an example of homeostasis
temperature, water content, chemical content
What are the special structures inside cells that carry out the cell's life processes?
Organelles
What kind of reproduction comes from one parent?
Asexual
What is the process by which autotrophs create their own food?
photosynthesis
What must you do after you collect your data?
analyze it