Characteristics of Living Things
. The basic unit of life is called an ______________.
Cell
A population that has changed over time is called ____________.
Evolution
The remains or imprints of once-living organisms are called __________.
Fossil
The Earth is ________ years old
4.6 billion
When a fossil formed before or after another fossil is called ______________.
Relative Dating
A change that affects the activity of an organism is called______.
Stimulus
Human select plants or animals for breeding based on desired traits are called __________.
Artificial Selection
The __________ provides evidence about the order in which species have existed through time
fossil record
Which era did dinosaurs dominate?
Mesozoic
What are the three types of domains in classifying organisms?
Bacteria
Archea
Eukarya
What reproduction requires two parents and offspring are not genetically identical to the parents?
Sexual Reproduction
Who is the father of natural selection?
Charles Darwin
New fossils are found ____________.
At the top
Sea creatures dominated during the _________ era.
Paleozoic
What two ways scientists know living things are related?
Physical Characteristics
Chemical Characteristics
What are the four essential things living things need to survive?
Water, Shelter, Food and Air
When an organism are able to survive and reproduce in a changing environment is called _________.
Natural Selection
Fossil evidence suggests that prokaryotes called ________ appear in the Precambrian time.
Cyanobacteria
The beginning of life began during the ______ era.
Precambrian era
What types of organisms in the kingdom Eukarya?
Protista
Animalia
Plantae
Fungi
Name the five characteristics of living things
Have Cells
Respond to the Environment
Reproduces
Energy
Grow and Develop
What are the four essential parts of natural selection?
Overproduction
Genetic Variation
Selection
Adaptation
When geologist estimates the age of fossil in years is called _____________.
Absolute Dating
What are the four eras in the geologic time scale?
Precambrian, Paleozoic, Mesozoic and Cenozoic
What are the levels of classification from general to specific
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species