___ is NOT one of the world's biomes
Ice Fields
The boundary between middle latitude forest and middle latitudes grasslands is most closely related to the concept of the ___
Ecotone
Shrubland has a wide distribution but is most common in ___ locales.
Semiarid
Which is NOT among the natural means for dispersal of seeds?
Meteorite collisions
Plants which survive seasonal climatic fluctuations from year to year are____
Perennials
95% of all reptiles are ___
Snakes and Lizards
Which of the following plant types is herbaceous?
Grasses
The Timing of an entire life cycle into a few days after a rain and then followed by a long period of dormancy is a characteristic of ___ plants.
Xerophytic
The ability to use solar energy in food production is
Not exhibited in animals
Taproots thorns and fleshy stems are characteristics of
Xerophytes
Hardwood and Softwood
are unsatisfactory descriptions of trees
A(n) _____ tree is one that sheds its leaves on a sporadic or successive basis with no seasonal variation
Evergreen
The higher plant type that carries its seeds in cones is the ___
Gymnosperm
____ were more important in past earth history today the only large surviving varieties are cone bearing trees such as pines.
Gymnosperms
The hardwood broadleaf deciduous trees around the world are____
Angiosperms
Plants that live above ground and out of contact with the soil usually growing on trees or shrubs are ___
Epiphytes
Some of the spore bearing plants are termed
Pteridophyes
These plants perish during times of climatic stress
Annuals
Along with a few conifer species this type of plant has dominated earth for the last 50 or 60 million years
anglosperms
Except in the rainy topics virtually all neddleleaf trees are
Evergreen
Which of the following does NOT belong with the others
Shrubland
Plants adapted to environments which surplus moisture are called
Hygrophytic
The Transfer of moisture from plant leaves to atmosphere is__
Transpiration
The classic example of the effects of the environment on a species is shown by the ___ on a fox
Size of ears
Which of the following types Is succulent?
Cactus
The land policies of the Brazilian government have caused ___ Brazils rainforest to be removed ?
20%
A type of species removal when vegetation is naturally replaced by another group is termed
Succession
A ____ is a natural but variable sequential change in vegetation patterns
Succession
____ is the term most associated with environmental equilibrium in a vegetation community
Climax vegetation
In plant succession each successive community tends to be ____ then the previous one
Taller
In considering the major vegetation associates we should remember that___
Change is inevitable
The few trees in an area of mid latitude grassland biome probably would be___
Riparian
Climax vegetation can be closely associated with the concept of ___
Equilibrium
___ is a floristic association usually found in slightly drier climates than the forest floristic association
Woodlands
A floristic association dominated by tall grasslands and found in the middle latitudes is
Prairie
The floristic association which is much less extensive than the others on the list is
Wetlands
According to the concept of vertical zonation changes in ___ are the counterpart of changes in altitude.
Latitude
The reason that treelines at the same latitudes north and south of the Equator occur at different altitudes is ___
Not completely understood
A slope struck by a low sun angle has relatively low evaporation and thus supports a relatively luxuriant vegetation growth and is know as an __ slope
Ubac
Vegetation growing alongside stream is termed
Riparian
Which statement is TRUE
Valley bottoms tend to have riparian vegetation's.
Organisms capable of self generated movement are termed
Mobile
Which of the following is NOT common animal adaptation to prolonged dry weather?
Delayed implantation
____ is one of the features distinguishing mammals from all other animal groups
True hair
Animals are not as accurate environmental indicators as plants, mainly because of their___
Mobility
____ is (are)NOT (an) animal adaptation prominent in the desert biome
Hygrophytic characteristics
Which of the following is NOT descriptive of most desert animals?
Low range of daily body temperatures
Which of the following does not refer specifically to animal adaptations to the environment?
Succession
Which of the following is NOT a difference between plants and animals?
Animals need nutrients and plants do not.
____ is (are) characteristics of a high proportion of animals.
Nomadism
The most remarkable series of adjustments to the desert environment has been made by
Dromedary
Ungulates are ___
Hoofed animals
Which of the following are NOT vertebrates?
Anthropools
There are approximately ___ known species of birds
9,000
The biological classification puts amphibians under the more general heading of
Vertebrates
An animal is ___ if it is able to maintain its temperature through bodily process
Endothermic
Birds are believed to have evolved from ___
reptiles
The egg-laying mammals of the Australian region are the
Monotremes
Which of the following characteristics is closely associated with mammals and birds but not other groups of animals
They are endothermic .
Which of the following are most abundant on Earth?
Arthropods
___ is the arrangement in which two dissimilar oranisms live together.
Symbiosis
____ involves two dissimilar organisms living tighter with no injury to either. An example is burrowing owls sharing the underground homes of prairie dogs.
Commensalism
The major zoogeographic regions of the world are mapped to the original delineation by
Wallace
Most of North America including the USA and Canada lies within the ___ zoogeographic realm
Nearctic
The world zoogeographic regions map includes ONLY ___ animals.
Wild
By far the zoogeographic region with the most distinct flora and fauna is ____
The Australian region
Trees of the genus Eucalyptus dominate the vegetation of ___
Australia
Which zoogeographic region has the most limited faunal assemblage?
The Pacific Islands
The South American Continent falls within the zoogeographic ____ region
Neotropical
Which zoogeographic covers most of Asia?
Palearctic
The zoogeographic region dominated by flightless birds is the ___
New Zealand
Which of the following facilitated the interchange of animals between the Narcotic and Paleartic regions?
the Bering Land Brindge
_____ total (major plus minor) zoogeographic regions are generally recognized.
Nine
The interior of the ___ biome, one would find the aroma of mold and decomposition, high humidity and much plant litter of the forest floor.
Tropical rainforest
An alternate term for tropical ratifiers biomes is
Selva
A large component of the world's selva is located in
Central Africa
After the rainforest is cleared for agriculture the most typical occurrence is that_____
The soils soon lose their ferility
___ is the country with the largest expanse of tropical rainforest
Brazil
In the tropical deciduous forest, trees shed their leaves because of a short but pronounced ________.
Dry season
Which biome has a high proportion of thorny plants?
Tropical scrub
This biome is widespread in drier portions of the A climatic realm. It is dominated by low-growing
scraggly trees and tall bushes.
Tropical scrub
Most of the "big game" mammals in Africa are naturally adapted to the biome ________.
Tropical Savanna
Savanna is a mix of ________ species.
Grassland
Savannas usually include some trees dotting the landscape. This type of savanna is known as
________ savanna.
Park
The major biome characterized by the least trees is the ________.
Savanna
Xerophytes are plants of the ________ region.
Desert
In the desert biome, ________ is rapid for almost all forms of life.
Rate of reproduction
In the desert biome, animal life can be said to be ________.
Inconspicuous
________ is a biome adapted to summer fires and rapid vegetative recovery.
Mediterranean woodland and shrub
____ is a biome characterized by a sparse cover of widely scattered individual plants.
Desert
Most of the eastern United States was originally covered with ________.
Midlatitude forest
The richest assemblage of flora and fauna outside the tropics are in the ________ biome
Midlatitude deciduous forest
A vegetation type dominated by coniferous needle-leaf evergreen trees is the ________ biome.
Boreal forest
A synonym for the boreal forest biome is ________.
Taiga
Both steppe and tundra vegetation zones have ________ in common.
Absence of Trees
No other element of the physical landscape has been so transformed and rearranged by human
interference as the ________.
Plants
Plants introduced into new habitats in which they were not originally raised are ________.
Exotic
Because of heavy interference by humans, maps of world biomes are best thought of as maps of
________ natural vegetation
Theoretical
Concerning natural vegetation, which of the following is NOT true?
It has, worldwide, been heavily disturbed by humans
Currently the greatest rate of deforestation of the tropical rainforest is on the continent of ____
Asia
Which of the following is a plant which is exotic to Florida and has had disastrous environmental
consequences
The Hydrilla
The establishment of ________ in various countries can be described as an UNESCO attempt to
protect biosphere diversity
Biosphere reserves
The opening of Rondonia to settlers caused deforestations and other ill effects in the country of
Brazil