Share 8th Grade Science EOG Review 2023
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Which type of water (warm or cold) holds more dissolved oxygen?
cold water
Looking at a periodic table, how do you know that elements have similar properites?
They will be in the same group.
How could older rock end up on top of younger rocks?
Unconformity; folding and erosion.
What did Darwin conclude when he identified organisms that have similar bone structure and DNA?
They must have a common ancestor.
What do we call the evidence that refers to organisms having a similar bone structure?
Homologous Structures
What do we call a structure that an organism has left over from evolution, but the part serves no purpose anymore?
Vestigual Structures
Butterflies and Birds both have wings but they are made of different materials, what is this an example of?
Analogous Structures
Why is most freshwater unavailable at any given time?
It is frozen.
What is used to treat a bacterial infection?
Antibiotics
What is used to treat a fungal infection like Athlete's Foot?
Anti-fungal medication
What can be used to treat/prevent viral infections?
Anti viral medication/Vaccines
How do viruses reproduce?
They copy themselves in a host cell.
Which pathogen doesn't contain any cells?
Virus
What pathogen spread by Mosquitoes causes Malaria?
Protists/Parasite
What is the difference between a Pandemic and an Epidemic?
Pandemics cover world wide; Epidemics are smaller localized areas.
Which symbiotic relationship is caused when one organism benefits by harming the other?
Parasitism
