WorksheetsEcology Midterm
Total questions: 76
Worksheet time: 19hrs 0mins
What is the act of using biological processes to solve environmental problems?
Hocus Pocus
Germ Warfare
Bioremediation
Phlebotomy
Female elephants have babies about 3 years apart, and have only one each time. By reproducing at a rate that holds their numbers close to constant, elephants are able to survive in stable ecosystems. Because of this and their maternal care elephants are considered to be what type of ecological strategist?
r-selected
k-selected
Both r and k-strategist
none of the above
The word dichotomous means which of the following?
diversity
classification
branching into 2 parts
upside down elephant
What are the 6 kingdoms of life?
Archaebacteria, Fungi, Plantlike Protist, Animal-like Protist, Plants, Animals
Bacteria, Fungi, Protists, Flowering Plants, Non-flowering plants, Animals
Eubacteria, Fungi, Protists, Plants, Land animals, Marine animals
Archaebacteria, Eubacteria, Fungi, Protists, Plants, Animals
Which of the following correctly lists the classification groups from largest to smallest?
class, order, family, genus, species, kingdom, phylum
kingdom, phylum, class, order, family, genus, species
species, genus, family, order, class, phylum, kingdom
phylum, kingdom, order, class, family, species, genus
Phototropism is caused by a plants response to which of the following?
sound
touch
light
gravity
Which of the following is NOT a reason why species become endangered?
loss of habitat
pollution
illegal killing
captive breeding
What do you call an organism that is NOT native to a given region?
Native
Invasive
Keystone
Endangered
Which of the following does not represent a population?
all of the robins in Austin, TX
all of the birds in Chicago, IL
all of the grass frogs in Central Park, NY
all of the earthworms in Yosemite National Park
The procedure for grouping organisms is known as what?
structure
classification
diversity
specialization
The concept of an ecological niche includes which of the following?
a range of temperatures under which the members of a species can survive
the organisms role within an ecosystem
food requirements
all of the above
What term is used to describe the tendency of a system to maintain constant or stable internal conditions?
Tropism
Extinction
Homeostasis
Biodiversity
The copper-belly water snake is a species that is likely to become endangered if it is not protected from habitat loss. What term is used to describe this type of species?
invasive
endangered
extinct
threatened
Knowing right from wrong with living organisms, and then doing the right thing, is known as what?
Theology
Biology
Bioethics
Evil
An organism's scientific name always begins with...
an epoch
a capital letter
a structure
a phylum
What term is used to describe an organism making short-term adjustments for survival?
Niche
Homeostasis
Adaptation
Acclimation
Most scientists classify organism's into which of the following?
2 groups
3 phyla
8 genera
1 kingdom
Which of the following is an example of a safe laboratory practice?
eating or drinking from laboratory glassware
testing an odor by directly inhaling a vapor
tying back long hair and loose clothing
touching hot objects with your bare hands
What is the classification of organisms based upon?
kingdoms
phylum
species
structure
Organism's such as fungi, earthworms, and bacteria turn dead or decaying organic material into inorganic ingredients needed by producers, these organisms are called what?
Consumers
Herbivores
Producers
Decomposers
Which type of distribution is a result of individuals guarding their territory?
Uniform
Random
Clumped
None of the above
The purpose of this act is to conserve and protect threatened and endangered species and the ecosystems they depend on.
Clean Water Act
Migratory Bird Act
Endangered Species Act
Clean Air Act
Trees growing along river banks but not growing in the surrounding area would best be described as what type of dispersion?
Clumped
Random
even
mixture of clumped, even, and random
What do you call interactions between organism's that are "mutually detrimental" for both individuals?
Parasitism
Competition
Commensualism
Mutualism
What phrase best describes carrying capacity?
It is represented by the the letter K
Is determined by renewable resources like water, nutrients, and light.
Is the maximum population of a given species that a particular habitat can sustain.
All of the above
What term is used to describe any technique that uses living organisms's or substances from those organism's to make or modify a product, to improve plants or animals, or to develop microorganism's fro specific uses?
Biotechnology
Pyrotechnics
Biology
Phlebotomy
Which of the following is NOT a benefit of biodiversity?
It keeps the soil fertile
it maintains the atmosphere
it pollutes the oceans
it purifies the water on Earth
Which of the following populations might be least likely to be devastated by a disease outbreak?
a small population who are all offspring of healthy, related parents
a large, genetically-diverse population
a small, genetically-uniform population
a few strong, healthy individuals
A plant growing in the direction of a light source is an example of what?
positive phototropism
negative geotropism
negative hydrotropism
positive thigmotropism
Which statement best describes co-evolution?
Many species acting as agents of natural selection on one another over a long period of time
Two species living together in close association with one another to the benefit of each
Interacting species populations within and ecosystem
Ecosystems slowly changing into established self-sustaining communities
A population of deer live in the deciduous forest outside of Clarksville. The deer eat grass and corn, and they compete with Cows and Horses for food. The deer compete with humans for space. What type of niche do these deer occupy?
Potential
Fundamental
Realized
All of the above
What term is used to describe the diversity of all living organisms's on planet Earth?
Ecosystem
Niche
Biodiversity
Endemic
Spanish moss grows on tree branches. The moss benefits by having a place to live, while the tree is neither helped or hindered by the moss. What type of relationship does the moss exhibit with the tree?
Competition
Parasitism
Mutualism
Commensalism
The Endangered Species Act requires the U.S. Fish and Wildlife Service to develop plans so endangered and threatened species no longer need what?
Recycle
Survive
Protection
Eat chicken
What term describes a group or population of similar organisms's that can interbreed to produce fertile offspring?
Ecosystem
Species
Biodiversity
Organism
Which of the following is NOT a management method that is used to fight invasive plants?
Building Fences
Herbicides
Prescribed fire
Manually pulling them
What are species that are so important to the functioning of an ecosystem that if they disappear will cause the ecosystem to fall apart called?
Endemic species
Exotic species
Endangered species
Keystone species
One way to protect biodiversity is to control which of the following?
Habitat
Vertebrate
Niche
Species
What agency does the Fish and Wildlife Service work with to recover endangered and threatened species?
IRS
National Marine Fisheries Service
NASA
NOAA
2 different groups in the same phylum must also share which of the following?
Order
Class
Kingdom
Family
Which of the following is an example of density-independent population regulation?
An early cold spell kills 80% of the lemmings in a particular area
An outbreak of diseased leads to depletion of the food supply. As a result, lemmings are underfed and produce few offspring
Jaguars, which are predators of lemmings, search widely for places where lemmings are abundant and concentrate their hunting on those areas
A contagious disease sweeps through a dense population of lemmings
Which of the following concerning exponential growth is true?
Exponential growth has never been observed
Exponential growth curves resembles the letter S
Bacterial colonies have been observed to maintain exponential growth for over a month
No population can grow exponentially for long periods of time
Which of the following is NOT a conservation career opportunity?
Biologist
Environmental Educator
Pirate
Botanist
Which of the following is NOT one of the major threats to biodiversity?
Introduced Species
Pollution
Habitat loss
Conservation
Which of the following is NOT a cause of adaptation?
Co-adaptation
Niche change
Environmental change
Karma change
Garfield and Nermal are both domestic cats living in the same household. The cats compete for food and attention. Being that both cats of of the same species this relationship is an example of which of the following?
Intraspeciific
Interspecific
both inter and intraspecific
None fo the above
A species so critical to an ecosystem that its removal could potentially destroy the entire ecosystem is considered what type of species?
Invasive
Native
Endangered
Keystone
What does biodiversity mean in terms of a gene pool?
Species will eventually go extinct
Each individual is unique
Genes clump together like water in a pool
There are lots of fish in the pool
Which of the following is NOT a risk associated with genetic modification?
Fitnes
Ethics
Safety
Labeling
All the members of a particular species that live in one area are called what?
An ecosystem
A population
A biome
A community
What word completes the following phrase, "Reduce, Reuse, ."
Restore
Reintroduction
Recycle
Rock
Why are more species going extinct in our modern time?
The species today are less intelligent
We are altering the air, water, and land faster than they can adapt
Species are less fit, and they are losing "survival of the fittest"
None of the above
Which of the following is NOT an important field safety rule?
Avoid contact with sick or dead animals
Treat bites or stings as soon as possible
Wear bright blue clothing
Wear insect repellent
What term in ecology means "different kinds"
Diversity
Species
Phylum
Darwinism
Which of the following is NOT a use of genetically engineered plants?
Forestry
Pyrotechnics
Agriculture
Horticulture
Which term refers to directional growth?
Tropism
Endemic
Homeostasis
Habitat
How does a habitat fit into an ecosystem?
Ecosystems are found within habitats
Habitats are made up of many ecosystems
Habitats are found within ecosystems
All of the above
The value of biodiversity refers to resources (food), medicines (chemicals), and genes for better crops.
Intrinsic
Utilitarian
Psychological
Economic
The following are ways the U.S. Fish and Wildlife Service works with others to help wildlife back EXCEPT?
Habitat conservation
Invasive species
Ecosystem restoration
Captive breeding
The Houston toad was listed as in 1970 due to habitat loss, because it is in immediate danger of becoming extinct and needs protection to survive.
Threatened
Invasive
Endangered
Extinct
This term is used to describe "self-feeders", meaning they are capable of making their own food?
Consumers
Heterotrophs
Autotrophs
Decomposers
Which of the following is NOT a benefit of genetic engineering and modification?
Less waste
Fatter people
Save money
Higher yielding crops
Examples of predators include which of the following?
Zebras munching on savanna grasses
Exotic sundews entangling and digesting their insect prey
bears catching salmon in an Alaskan stream
All of the above
is the variety of life and the natural processes of which things are a part.
Ecosystem
Endangered
Biodiversity
Keystone
The role of an organism in its community is the organism's what?
Biosphere
Habitat
Population
Niche
What is the most cost effective way to deal with the effects from invasive species?
Detect an invasive species shortly after they have created infestations
Try to eradicate the most widespread invaders
Prevent invasions before they even occur
Study the problem for a few more years
The theory of maintains that species who utilize the same resources cannot coexist indefinitely. (One species will have to move on, or die off.)
Competitive Exclusion
Resource partioning
Mutualism
Community
The physical place where an organism lives is that organism's what?
Population
Habitat
Community
Niche
are a result of technology that has altered the DNA of living organism's.
Clones
Panda's
GMO's
IRA's
Ticks feed on the blood of other animals. Ticks benefit from a meal while the hosts (deer, humans, cats, etc.) are harmed. Ticks have relationships with their hosts.
Parasitic
Mutualistic
Competitive
Neutral
Individuals that are better adapted to their environment survive and reproduce more successfully then poorly adapted individuals do. This concept is known as what?
Mutualism
Resource partioning
Natural selection
parasitism
Bats and birds both have wings. This is an example of evolution?
Divergent
Convergent
Both convergent and divergent
None of the above
A frog eats a diet entirely composed of insects. The frog can be classified as a .
A herbivore
A carnivore
A producer
An omnivore
What happens if the changes in the environment become too severe for a species to adapt?
The species experience a population boom.
The species cannot survive.
Both A and B
None of the above.
The creation of transgenic organism's includes the cell that provides the DNA.
Protocol
Agrobacterium
Donor
Recipient
species naturally inhabit a given region, and are vital to local ecosystems and food webs.
Native
Endangered
Invasive
None of the above
