Intro to Living Things
All living things are made of one or more _______
cells
When all members of a species have died
Extinction
Remains or imprints of once-living organisms
fossils
the timeline of Earth's history is called the:
geologic time scale
What kingdom has multicellular organisms with cell walls that do photosynthesis?
plantae
Which characteristic of living things does this represent?
Viruses only have RNA, so they are not considered alive
all living things have DNA
Process by which humans select plants or animals for breeding based on desired traits is called:
artificial selection
All of the fossils that have been discovered
fossil record
Period of time that means "middle life" and was when dinosaurs and reptiles ruled
Mesozoic era
protista
Which characteristic of living things does this represent?
Almost everything that an organism does requires this thing, which they can get from food
all living things use energy
The process by which populations change over time
Evolution
DAILY DOUBLE!
what is the name of the diagram we did yesterday that Mrs. Nauertz drew as a highway with different stops along the way?
cladogram
Precambrian time
What 2 levels of classification are included in an organism's scientific name?
Which characteristic of living things does this represent?
If an organism detects a stimulus, it will respond
living things respond to their environment
What animal did Darwin observe in his trip through the Galapagos Islands, and what were the differences he noticed?
Finches; different beak shapes
Because bats, cats, and humans share similar bone structure, they may share a ______________________ from which they evolved
The period of time that continues today and is when primates evolved
cenozoic era
Name the 3 domains
Eukarya, Archaea, Bacteria
Which characteristic of living things does this represent?
Over their life cycles, an organism's cells may get bigger or increase in number. They can also go through different stages
living things grow and develop
Naturally occurring differences in traits between members of a species
(genetic) variation
Besides fossils, what is one piece of evidence that supports evolution?
- similar DNA
- similar development
Period of time that means "ancient life" and was when life moved onto land, but ended with a mass extinction
Paleozoic era
Animalia, Plantae, Fungi, Protista, Bacteria, Archaea