Mid-Term Review. 2008. An example of a population is all trees in a forest. all maple trees in a forest. all plants in a forest. all animals in a forest. In which of the following relationships is neither species harmed? Predation Parasitism Competition Commensalism.
Which of the following would most likely cause a large number of density-independent deaths in a population?
During Stage 2 of a population’s demographic transition, the death rate
The number of wild horses per square kilometer in a prairie is the horse populations
Which of the following is one of the main properties used to describe a population?
The level of biodiversity that involves a variety of habits and communities is
Competition for food and communities iscannot occur
Professionals who study and make predictions about human populations are called
Which of the following organisms has the highest reproductive potential?
Thick fur on deer is reproductive potential?not an example of coevolution. Why?
Which factor contributed most to the exponential growth of the human population?
Each of the following is an example of a parasite the human population?except
Human population growth was most rapid during which period of human history?
Which of the following makes it difficult to reduce population growth?
Scientists predict population sizes by using population growth?
World population growth will eventually stop when population growth?
An endangered species is population growth?
Which of the following would population growth?not be illegal under the Endangered Species Act?
How many species are estimated to be living on Earth? population growth?
Which of the following is a reason that wood is considered a limited resource in many developing countries?
In what part of the world are the greatest number of extinctions occurring?
The current rate of species extinction is extinctions occurring?
The fact that organisms are adapted to survive in particular environments helps to explain why
What groups of organisms are most in danger of extinction? environments helps to explain why
Where are many critical biodiversity hotspots located? environments helps to explain why
The major human causes of extinction today are environments helps to explain why
Using scientific information from chemistry and biology to devise a plan to clean up a lake and make it healthy again describes
An ecological footprint is the between
A resident of _____ is likely to leave the largest ecological footprint.
The classification and collection of data that are in the form of numbers is called
Your county is considering buying land to form a nature preserve. On this land, an endangered species of bird is known to breed. Which of the following is a possible negative short-term consequence to the county making this decision?
The group that does not receive the experimental treatment in an experiment is the
By examining _____, scientists can test predictions for situations in which it is impossible or unethical to use experiments.
What essential characteristic does a good experiment have? situations in which it is impossible or unethical to use experiments.
How did the Himalaya Mountains form? situations in which it is impossible or unethical to use experiments.
Before you can make a decision using a decision-making model, what step must you take?
What step in a simple environmental decision-making model are you taking when you consider whether or not people will benefit financially from setting aside land as a national park?
When making a decision about whether or not to build a dam, you are considering an economic value when you ask which of the following questions?
Which of the following includes all of the water on or near Earth’s surface?
What are wind and water erosion Earth’s surface?not likely to affect?
Which of the following is the most geologically active region on the surface of Earth?
The ozone layer is located in the region on the surface of Earth?
What is the estimated temperature of Earth’s inner core? region on the surface of Earth?
In the troposphere, which of the following decreases as altitude increases?
Which of the following is altitude increases?not a mechanism of energy transfer through or within Earth’s atmosphere?
Without the greenhouse effect, Earth’s atmosphere would be _____ to support life.
When you ask the question, “If a marsh is included as part of a nature preserve, will it protect our water resources?” you are considering which of the following types of values?
Which of the following is of a nature preserve, will it protect our water resources?” you are considering which of the following types of values?not an algae that uses energy from the sun to make food?
Surface currents circulate in different directions, depending on the _____ in which they occur.
Which of the following is the layer of the ocean extending from the base of the thermocline to the bottom of the ocean?
The community of a pond is made up of all the from the base of the thermocline to the bottom of the ocean?
With respect to energy, Earth is a(n) from the base of the thermocline to the bottom of the ocean?
What part of Earth encompasses all areas where organisms can obtain the energy they need?
With respect to matter, Earth is mostly obtain the energy they need?
The organisms most likely to belong to the same species are obtain the energy they need?
An organism is resistant to a chemical if it obtain the energy they need?
In order for evolution to occur in a population, individuals with a trait that is “naturally selected for” must
Which of the following converts nitrogen in the air into a form plants can use?
In the _____ zone, the water is cool and dark. form plants can use?
What mainly distinguishes nekton from benthos? form plants can use?
Estuaries form plants can use?
All of the following are characteristics of temperate rain forests except
Which of the following animals is successful because it moves quickly, reproduces rapidly, and has a waterproof external skeleton?
Which kind of organism obtains energy only from producers? moves quickly, reproduces rapidly, and has a waterproof external skeleton?
What kind of natural disaster helps some forest communities by allowing some trees to release their seeds, by clearing away deadwood, and by encouraging new growth?
Which of the following is by allowing some trees to release their seeds, by clearing away deadwood, and by encouraging new growth?not true about temperate deciduous forests?
Where would an ecologist be least likely to go to study primary succession?
Plants play a crucial role in the carbon cycle because they primary succession?
What type of succession occurs after a natural process such as a volcanic eruption or flood?
Which organism is likely to be in the bottom trophic level of a food chain?
If you visited a savanna, you would likely see of a food chain?
The tundra of a food chain?
Taiga is of a food chain?
Biomes of a food chain?
As you travel from the North Pole toward the equator, you would expect to see
Which of the following would you expect to see in the emergent layer of a tropical rain forest?
The distance north or south of the equator, as measured in degrees, is called
Which of the following is located primarily in coastal areas that have Mediterranean-style climates with warm, dry summers and mild, wet winters?
In the _____ zone, life is diverse and abundant. that have Mediterranean-style climates with warm, dry summers and mild, wet winters?