Unit 1
What are the 4 spheres of the Earth?
atmosphere, hydrosphere, geosphere, biosphere
How many species have been identified by scientists?
2 million
Entropy can also be referred to in a simpler way as
Disorder
According to the Coriolis effect, winds in the northern hemisphere bend ? while winds in the southern hemisphere bend ? ?
to the right, to the left
Where are a majority of unidentified land species located?nonland?
oceans/seas and rainforests
What is nonpoint source pollution?
dispursed and difficult to see
How many questions are there on the Science ACT?
35 questions
Solar Energy is known as the only...
inexhaustible resource
? rock is formed from magma and lava that cools and hardens.
Igneous
What two ecosystems may contain many of the unnamed organisms that make up our environment?
The rainforests and deep seas because the number of species present in the little known ecosystems can only be guessed.
What are the 3 Design Principles?
dependence on solar energy, biodiversity, and chemical cycling
What section on the ACT should you compete last?
Conflicting Viewpoints
How would you properly classify a fungus?
Decomposer
Which horizon of the soil profile includes most organic and inorganic material and provides nutrition for most plants?
O
Why are specialist species especially susceptible to extinction?
narrow requirements
electromagnetic radiation
changes in electrical and magnetic fields
Which of the following is not an effect that came about by the reintroduction of wolves to Yellowstone in 1995?
increase in coyote populations
Aerobic Respiration...
requires oxygen
Which of the following is a drawback of dams?
a. Flood Control
b. Power Generation
c. Habitat Alteration
d. Emission Reduction
c
What is speciation?
one speciation splits into two or more different species.
What is biomass?
dry material of all organic matter contained in its organisms
What is an endemic species?
A species susceptible to extinction
Which of the following is a potential source of danger to the Great Barrier Reef?
a. Fertilizer Pollution
b. Smog
c. Oil Spills
d. Drought
A
Which of the following are outcomes of the Conservation Reserve Program (1985)?
a. Farmers paid to not farm highly erodible land
b. Provides habitats for native wildlife
c. Saves 771 million tons of topsoil a year
d. All of the Above
D
Distinguish between geographical and reproductive isolation
Geographic isolation forces species to migrate to different regions because of physical barriers. Reproductive isolation causes mutations which later causes infertility.