Unit B Flashcards
What is a terrestrial ecosystem
Ecosystem on land
What is an aquatic ecosystem?
Ecosystem in water
What is subsoil
Beneath topsoil containing more rock and less organic matter
Define speciation
The formation of a new species
What is a half life
Changes of the property of a substance . One half life is 50%
List in order major levels of classification from greatest to least
Kingdom, phyla, class, order, family, genus, species
What is the difference between a homologous feature and a vestigial feature?
Homologous features have similar structure but different functions, vestigial features may have once served a useful function in an ancient ancestor
What is a phylogeny
It is proposed history of species or group of organisms
What is the advantage of using Latin names
It is a common language for all scientists around the world
What is binomial nomenclature
A way to name species using two names
What is taxonomy
The science of classifying organisms
What is paleontology
The study of fossils
What does endemic mean
Used to describe a species that is found in only one location
What are homologous features
Feautures with similar structurs but different functions
Give an example of a homologous feature
The pelvis on a whale
What did darwin conclude to his theory
That adaption takes place among species
What species did darwin study
Finches
Where did darwin do his studies
Golapagos islands
What’s a neutral mutation
A mutation that has no effect on an orginism
What’s the most common mutation
Harmful mutations
What’s the least common mutation
Benifitial mutation
What’s an advantage of sexual reproduction
A lot of variety for adaption
What’s an example of asexual reproduction
Budding
What’s speciation
The formation of a new species
