PreTake Unit 6: Evolution & Classification

A population with lots of variation ...

• lacks mutations

• is produced asexually

• is geographically isolated from other populations

• is full of unique offspring that all look different

This variation in this population was created by all of the following EXCEPT...

• sexual reproduction

• gene flow

• mutations

• binary fission

Which statement correctly describes relative or absolute dating?

• relative dating describes the age of a fossil in years

• relative dating describes how much carbon-14 remains in a fossil

• absolute dating uses position in the fossil layers to order fossils

• relative dating describes which fossils are older or younger

All of the following are factors that help an organism adapt in a changing environment EXCEPT

• slow reproduction rate

• production of lots of offspring

• lots of variation

• sexual reproduction

An organism's scientific name is written as its ...

• Genus species

• Kingdom phylum

• Domain kindgom

• Domain species

Use the DNA sequences shown to determine a which species this unknown species is related to.

• species I

• species II

• species III

• species IV

There are no more woolly mammoths. Which term describes that they have completely died out?

• They have evolved

• They have adapted

• They are extinct

• They are isolated

Bacteria living near hydrothermal vents in the ocean use sulfur as an energy source. They would be considered...

• photoautotrophs

• decomposers

• heterotrophs

• chemoautotrophs

If scientists determined this is a unicellular eukaryote, which kingdom would it belong to?

• Protists

• Fungi

• Bacteria

• Animalia

Athlete's foot is caused by a eukaryote that must use absorption to gain energy. How would you classify the organism that causes athlete's foot?

• Bacteria

• Virus

• Fungi

• Plant