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Exam Review

In which country is the population likely to be increasing most rapidly. Kenya
A sustainable world would be characterized by indefinite existence of human populations in a healthy and prosperous condition.
Hardin's "tragedy of the commons" essay addresses the conflicts associated with what environmental challenge? protecting shared resources.
Sunlight, air, forest, minerals, and water are all natural resources
Introduction of harmful levels of chemicals or wastes into the environment is called pollution.
During the blank period in history, humans lived in tribes and used fires to maintain prairie habitat. hunter-gather period
A blank pollutant is a harmful material that cannot be broken down by natural processes. nondegradeable
Residents of blank countries make up 80% of the worlds total population. developed
3 Renewable resources: Sun, Air, Water
Non-renewable 3 Gold, Diamonds, copper.
Chance that an event will happen is known as probability.
In an experiment the factor of interest is called Variable
The average mass of a wolf in a pack of wolves is an example of mean
An blank is one type of graph that is particularly useful for organizing and comparing experimental data for several things in one graph. Bar
An blank can explain an observation and predict what might happen in the future. theory.
numeric information called blank is gathered in an experiment. data
A blank is a 3-d representation you can touch. physical model.
Good scientists demonstrate the habit of mind called blank when they do not believe everything they are told. skeptical
What essential characteristic does a good experiment have? A control, and and a single variable is used.
In an experiment the factor of interest is called the variable
With respect to matter, Earth is a closed system
With respect to energy, earth is an open system
Earth's thin outer layer is known as the crust
Part of earth that contains the air we breath atmosphere
what is an example of producers of oxygen? Plants
The boundary between warm and cold water in an ocean or lake is thermocline
Volcanoes occur at tectonic plate boundaries that are colliding, and separating from one another.
Deep currents flow along the Ocean floor
Ozone layer is located in the stratosphere
transfer of energy through space is Radiation
Trait that increases an organisms chance of survival is an adaptation
process that causes the characteristics of a population to change without human control natural selection
trait unintentionally selected by humans is resistance
trait that increases an organisms chance of survival adaption
change in genetics in a population from one to another generation is evolution
What would be a vertebrate? Frogs
What invertebrates are generally small, allowing them to live on little food and to hide enemies? Insects
What is the initial source of food in most ocean ecosystems? Algae
Nonliving parts of an ecosystem are? Abiotic
Athletes foot is a disease caused by? Fungi
What kind of natural disaster helps some forest communities by allowing some trees to release seeds? Fire
Which kind of organisms obtains energy only from producers herbivores
Where would an ecologist least likely to go study primary succession? Amazon Rainforest
What would be an example of a pioneer species? Shrub
What makes up 78% of the atmosphere? Nitrogen
What would you find on islands made by volcanoes? Primary Succession
Feeding relationships that are possible? food web
What organism is likely to be in the bottom tropic level? Algae
What wouldn't contain carbon from the bodies of plants and animals that died millions of years ago? phosphate salts
What would you expect on to find on a deserted land after 150 years? tall, mature trees.
The main factor that determines what type of plants grow in a biome is temp and precipitation
Tropical rain forests are threatened by deforestation and the trade of rain forest plants and animals
If you visited a savanna you would likely see large herds of grazing animals
Animals that live in the desert are usually nocternal
Estivating is? sleeping through the dry season and in the ground
deserts are often formed on the dry side of mountain ranges
Adaptations of desert animals that help them survive in the hot, dry desert often include searching for food at night
The distances- north or south of the equator is the longitude
The deforestation of the rain forests may cause climate changes which in turn may affect flooding
A blank has an annual rainfall less then 25cm Desert
Created by: cameron2009