Bio

True or False: We classify organisms by their structure

• True

• False

Bacteria is/has...

• Unicellular

• cell wall

• some harmful

  some useful

• all the above

Archaea is...

• multicellular

• unicellular

• bacteria

• animal

Bacteria and Archaea are...

• eukaryotic

• prokaryotic

eukarya are...

• Eukaryotic

• prokaryotic

What improved through history so scientists could see inside cells?

• glasses

• Microscopes

• cells got bigger

• smarter scientists

What are dichotomous keys used for?

• estimate population size

• tells you what color the organism is

• determine leg lengths

• idenify species

What are phylogenetic trees?

• hypothesized evolutionary relationships between the same taxa

• hypothesized evolutionary relationships between different taxa

• trees you can find outside

• scientific name for plants

Taxa more closely related have more what?

• recent common ancestor

• food interests

• the same species

• same organism

What are derived traits?

• traits lost through evolution

• useless features

• species evolved from common ancestors that became genetically different

• Ugly features