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science_12 week test
darwin(ch.6), viruses,proteins, protists... blech(ch.7) & (ch.8)
Question | Answer |
---|---|
what was the ship charles darwin set off on? | the HMS beagle |
when and where did ship charles darwin took off from? | england, december 1831 |
how old was charles when he started the adventure? | 22 years old |
what was darwins role on the ship? | the naturalist |
what is a naturalist? | a person who studies the natural world, learn as much as he couldabout the living things he saw on the voyage |
what was darwins importatnt theory of all time? | the theory of evolution by natural selection |
darwins imprtant obsecations included... | 1. diversity of lving things 2. the remains of ancient organism(fossils) 3. characteristics of organisms on the golop. islands |
virus | a tiny, nonliving particle that invades and then multiplies inside a living cell |
the only wich viruses are like oranisms is... | that they can multiply |
viruses can only multiply when... | they are inside a living cell |
host | a living thing that provides a source of energy for a virus or an organism.(virus multiply inside) |
parasites | organisms that liven on or in a host and cause it harm (viruses act like parasites) |
almost all viruses destory... | their host cell |
bacteriophage | a virus that infects bacteria (means "bacteria eater") |
all viruses have two basic parts... | 1. a protein coat that protects the virus 2. an inner core made of genetic material |
a viruses genetic material contains... | the instructions for making new viruses |