Science 2024 final Flashcards
Theory of Evolution
organisms change over time to best suit their environment
species
can reproduce with each other, and they look alike
extinct
(within the family) no more living members.
adaptations
physical traits that allow organisms to survive in specific environments
mutations
can change their adaptations
DNA
self-replicating material that is present in almost all organisms
benificial
for the better/ resulting in good
detrimental
tending to cause bad/harm
fossils
the bone remains of a prehistoric organism
body fossils
parts of organism bodies (skin, bones, teeth, leaves, bark, wood)
trace fossils
a fossils footprint, trail, bodily liquids, burrow, or something left by the organism that isn’t the organism itself
the fossil record
the history of life as documented by fossils
homologous structures
bones that are very similar in different species
homo habilis
“handy man” he was the first to create tools from stones and sticks
homo erectus
first of its kind to stand up straight, and the first to leave africa. they built rafts, fished, wove baskets, and they also mated with neandrithals.
homo neandrithals
they were thick and muscular, used specialized tools to hunt, AND controlled fire.