WorksheetsEnvironmental Midterm Review
Total questions: 55
Worksheet time: 29mins
Organisms that can capture energy from inorganic, nonliving sources (for example: the sun)
Producers
Consumers
Detritivores
Carnivores
Which of the following is an abiotic factor in an ecosystem?
water
bacteria
plants
vertebrates
In this ethics intrinsic value is on all communities of organisms and ecosystems...
Anthropocentric
Virtue
Biocentric
Ecocentric
________ means meeting the needs of the present without compromising future generations' survival.
Sustainability
Adaptability
Environment
Exploitation
Total fertility rate refers to ________.
the number of females giving birth during a given year
the potential number of offspring born per female in her reproductive years
the number of offspring that survive to become reproductive adults
the number of offspring born during a given year
When populations approach their carrying capacity, their resources ________.
decrease in supply but are more accessible to competitors
increase in supply but are less accessible
are not a concern as they are usually infinite in supply
become more scarce as growth rate becomes zero
The current total world population is ________.
7 billion
9 billion
6 billion
5 billion
The first stage of demographic transition is characterized primarily by ________.
low birth rates
first availability of medical care
high death rates
high food supplies
In the demographic transition model, the highest growth rate in a country is likely to occur during ________.
stage 1, the pretransition stage
stage 2, the mortality transitional stage
stage 3, the fertility transition stage
stage 4, the postindustrial or modern stage
Which of the following best describes the human population from early times to the present?
early rapid growth, which has increased rapidly in the last 20 years
early rapid growth, which has leveled off to a nearly constant rate in the last 20 years
slow, uneven growth until the 1800s, then increasingly rapid growth
slow, steady growth throughout the period
Zero population growth can be achieved in a population when ________.
the approach is having as many children in the first five years of marriage
birth rates equal death rates
carrying capacity is larger than ecological footprint
ecological footprints are larger than carrying capacity
Which of the following is not a reason that poor families in developing countries might have many children?
High mortality among the young
Most children survive beyond one year.
Children are helpers for essential chores on the farm.
The more males born to a family, the better it is for managing the family farm or business.
The extent to which you consume ecosystem goods and services is described in terms of your ________.
ecosystem function
ecological footprint
age-structure
fertility rate
The infant mortality rate is the percentage of children who die before the age of ________.
6 months
1 year
2 years
1 month
The most serious problem caused by population growth is ________.
increasing demand for all resources
crowding
inefficient food transportation
too few jobs
When considering the world population as a whole, birth rates and death rates enable one to calculate ________.
the increase or decrease in the population
the relative rates of immigration and emigration
the causes of infant mortality in a population
the causes of death in a population
Globally, what is the main reason that life expectancy has increased dramatically over the last five decades?
improved health care, nutrition, and sanitation
migration to cities
more food to feed more people but distribution is poor so people still go hungry
improved clean water supplies
In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.
What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Neutralism
Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Neutralism
In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.
What type of ecological succession happened?
Primary succession
Secondary succession
Tertiary succession
None of the above
What is this picture describing?
It is describing natural selection.
It is describing direct competition between flamingos and ducks.
It is describing abiotic factors of the tundra.
It is describing the niche of each bird.
What Biome is covered in permafrost (frozen subsoils)?
Tropical Rain Forest
Desert
Tundra
Tropical Savanna
What Biome is covered in a dense canopy and an understory?
Tropical Rain Forest
Desert
Tundra
Tropical Savanna
What Biome is very dry; receives very little rainfall?
Tropical Rain Forest
Desert
Tundra
Tropical Savanna
Mistletoe grows and spreads on trees, taking their nutrients:
predation
parasitism
mutualism
commensalism
What would happen within a few months after the formation of a volcanic island?
pioneer species would grow
no pioneer species would grow
trees and large plants would grow
rich, organic soil would be present
Introduced species disrupt ecosystems because they are a/an
Keystone Species
Endemic Species
Invasive Species
Native Species
What was present in the water at the old mine we visited causing it to be acidic?
Nitrogen
Turbidity
Iron and Sulfuric Acid
Oxygen
Ripples, runs and pools were present in the water at...
The old mine
the bog
the Forest Hills park
our trip to the beach
The bog water we studied was
running and full of oxygen
full of trees
devoid of plants
still and acidic
At which field trip location did we see the following plants: sundews, pitcher plants, cranberry
The Old Mine
The Bog
Forest Hill Park
Hawaii
