Biology Binomial Key - worksheet 1

What is true of two organisms in the same kingdom?

• they are most likely the same species

• they are more closely related than two organisms in the same order

• they are more closely related than two organisms in the same phylum

• they are less closely related than two organism who are in the same family

What is a dichotomous key used for in science?

• to organize biomes

• identify organisms

• identify bacteria only

• none of these

Which of the following organisms are MOST closely related?

• organisms that share a domain

• organisms that share a family

• organisms that share a genus

• organisms that share and order

What are the characteristics of arthropods?

• several pairs of jointed legs and exoskeleton

• endoskeleton and scaly skins

• lay eggs with rubbery shells

Which vertebrate that lay egg with dry scaly skin?

• amphibians

• reptile

• birds

Which domain contains organisms that are unicellular, prokaryotic and can cause strep throat or e.coli infections?

• Eukarya

• Archaea

• Fungi

• Bacteria

What is prokaryotic?

• when the organism is a nucleus

• when the organism has a nucleus

• when the organism has 2 organism

• when the organism has no nucleus

All organisms are made up of......

• food

• energy

• cell

• bacteria

An organism is found growing on some stale bread. It is made up of fine threads with tiny black spore-producing structures at the tips of the threads. What kind of organism is it?

• bacterium

• fungus

• plant

• virus

I am single celled, and I only have one parent. My cell does not have an organized nucleus. Sometimes I cause diseases. Other times I am a decomposer

• bacteria

• archaea

• animalia