unit 1
what state of matter is the air we breathe in?
gas B)
all living things are made up of?
one or more cells
how many parts are DNA molecules made up of?
four
what are strata
Stratum, each individual and unique layer of rock, grouped together, form strata.
what are behavioral adaptions?
behaviors or activities performed by an organism that increase its fitness.
what does the periodic table do?
it gives information about each atom, including its name, symbol, number, and mass.
what describes a function that all cells carry out to support life?
making copies of themselves
what describes what genes are made up of?
genes are made up of dna
what is absolute dating
a method using radioactive decay to determine the age of fossils and rocks
what are learned behaviors?
behaviors that are learned, rather than known at birth
how many atoms does a diatomic molecule have?
it is made up of two atoms
what did robert hooke do?
he published observations he made with the microscope.
what is a gene?
a gene is a section of DNA that affects a trait.
what is a fossil record?
a collection of fossils placed in chronological order
what is an innate behavior
a skill acquired at birth