Chemistry
What are vertical columns on the periodic table called
Families or Groups
The flow of energy in an ecosystem.
What is the definition of evolution?
Changes in a population over time
What type of rock are most fossils found in?
Sedimentary rock
Name 4 types pathogens
virus, bacteria, protist, fungi
What do elements in the same group have in common?
Similar chemical properties and characteristics
What trophic level would an herbivore occupy?
The second trophic level.
*Natural selection is also known as...
*How is "fit-ness" of an organism determined?
*Survival of the fittest
*The organism that reproduces most is the most fit
What is used to determine the relative age of rock?
The Law of Superposition
What are vaccines made from? What is the purpose of a vaccine?
Harmless or inactive viruses are used to make vaccines to PREVENT viral infections.
Which group on the periodic table would most readily bond with the halogens? Why?
What ocean zone has the greatest amount of energy available? (the most food available)
Neritic zone
What is geologic evolution and provide an example.
How the earth has changed over time. Ex. Pangea split into 7 continents
Name the era, period, and epoch we are currently in.
Cenozoic era, quaternary period, holocene epoch
How do viruses reproduce?
By injecting DNA or RNA into a host cell, forcing it to make copies of the virus
What are the two rows on the bottom of the periodic table called and what type of elements are they?
Lanthanides and Actinides. They are metals.
If a primary consumer dies out, which organisms will most likely be negatively affected first?
secondary consumers will have to find a new food source, increasing the competition.
What can be inferred about two organisms with homologous structures?
They originated from a common ancestor
What does scientists use to determine the climates from far in the past?
ice core samples
What is the difference between a carrier and a vector?
Vectors transport a pathogen from one organism to another without being infected. Carriers are infected and contagious.
Which subatomic particle in an atom has the smallest mass?
electrons
Give an example of a food chain where terrestrial and aquatic overlap.
Ex. Birds/bears eating fish. Sharks eating birds.
What percentage of all organisms have gone extinct?
99%
What is limestone?
Sedimentary rock containing large amounts of calcium, fossils, and shell fragments
What is the best way to prevent a pandemic?