What part of the earth encompasses all areas where organisms can obtain the energy they need?
biosphere
Deep currents flow along the ______.
ocean floor
What is the estimated temperature of Earth's inner core?
4000-5000 degrees Celsius
Most of the geological activity at the surface of the earth takes place between _____.
tectonic plates
Seismologists learn about the interior structure of Earth through measurement of the speed and directions of _____.
seismic waves
An _____ is the vibration caused when there is movement along a fault.
earthquake
The removal and transport of surface material by water and wind is known as _______.
erosion
The Richter scale is used by scientists to measure the amount of energy released by an ________.
earthquake
Which of the following includes all of the water on or near Earth's surface?
hydrosphere
What are wind and water erosion NOT likely to affect?
tides
Which of the following is Earth's densest atmospheric layer?
troposphere
Which of the following is the layer of ocean extending from the base of the thermocline to the bottom of the ocean?
deep zone
Without the Greenhouse Effect, the Earth's atmosphere would be ______ to support life.
too cold
In the upper atmosphere, the form of oxygen that protects Earth from the sun's UV rays is called _______.
ozone
Electrically charged atoms are called _____.
ions
The flow of heat from a warmer object to a colder object when the objects are placed in direct physical contact is known as __________.
conduction
The atmosphere contains ________ which trap radiated heat near the Earth's surface.
Greenhouse gases
A ______ current consists of air or a liquid moving in a circular path as it is heated and cooled.
convection
Which of the following is NOT a mechanism of energy transfer through or within Earth's atmosphere?
condensation
Currents at the surface of the ocean are driven by ______.
wind
Large scale atmospheric phenomena caused by air that is constantly in motion is called _____.
weather
The ozone layer is located in the _______.
stratosphere
Which of the following is NOT one of the compositional layers of Earth?
mantle
_____ causes air to be denser near Earth's surface.
gravity
The ______ is the surface of land where it enters the aquifer.
recharge zone
The ______ of sea water is the measure of the quantity of dissolved salts.
salinity
The continuous movement of water into the air, onto land, and then back into water sources is known as the ______.
water cycle
The force of _____ allows a planet to hold and maintain an atmosphere.
gravity
The process that occurs when water vapor forms water droplets on dust particles is known as ______.
condensation
In the troposphere, which of the following decreases as altitude increases?
both temperature and pressure
Most scientists classify organisms into ______.
six kingdoms
Single celled organisms with a cell wall but no nuclei are known as _____.
bacteria
Which of the following is NOT an algae that uses energy from the sun to make food?
gymnosperm
The community of a pond is made up of all the _________.
populations of fish, insects, and other living organisms
Which of the following best describes a population?
members of the same species living in the same place at the same time
Which of the following describes soil and temperature in an ecosystem?
abiotic factors
The energy in most ecosystems comes from _____.
the sun
Which of the following is not a biotic factor of an ecosystem?
air
The living and once living parts of an ecosystem, including all the plants and animals are _______ factors in the ecosystem.
biotic
Raccoons in a forest in Wisconsin are a ______ of raccoons.
population
The place where an organism lives and that has the resources that the organism needs is the organism's ________.
habitat
The nonliving parts of an ecosystem, such as rocks, light, air, and temperature are _______ factors of the ecosystem.
abiotic
Raccoons in Tennessee and raccoons in Ilonois are members of the same _______.
species
Which two kingdoms contain organisms that can use energy from the sun to make food?
protists and plants
Most bacteria, including the kind that causes diseases, and those found in garden soil, belong to the kingdom _____.
eubacteria
Animals that lack backbones are called _____.
invertebrates
Yeasts that makes bread rise belong to the _______ kingdom.
fungi
Animals that have backbones are called ________.
vertebrates
Pine trees and other conifers are classified as ______ because they are woody plants, the seeds of which are not enclosed in fruits
gymnosperms
Many angiosperms depend on animals for...
pollinating their flowers and distributing their seeds