Explain how a high degree of specialization in a species makes it more vulnerable to becoming extinct.
If an animal is too specialized, they will not be able to adapt to changes in their environment, causing them to be vulnerable to extinction.
Which of the following animals is considered to be the smallest of the rodents?
mouse
The most abundant element found in living organisms is
carbon
How are primary and secondary biological succession different? Give examples of each type of succession.
Primary - nothing was living there before. Lava flow destroyed the area. Secondary - ecosystem damaged or partly destroyed, remnants are there. Fire in forests.
State the law of conservation of matter and explain what it means.
Matter can be changed from one form to another, but cannot be created or destroyed by ordinary or physical processes. We cannot create or destroy matter, it is
Which of the following is known to cause primary succession?
volcanic activity
What impacts do modern farming methods have on ecosystems in North America?
Nearly all land suitable for crop production is used for growing crops. Destroyed habitats, but may provide food and some shelter for other biota.
Describe how wild animals have contributed to the survival, comfort, and growth of human populations
We have used wild animals for food, clothing and shelter for a very long time. Early colonists would not have survived the New World without wild animals, the N
In the food chain, gnawing mammals are generally considered to be:
primary consumer
Primary succession occurs when:
Organisms live in an area where they did not live before
Describe how a food pyramid is organized.
Organisms in a ranking order according to dominance in a food web
An ecosystem in which living organisms and non-living resources are maintained at constant levels is considered to be:
balanced
Describe the organization of a food chain.
Direct sequence of living organisms that eat and are eaten in a community
Which pesticide is used to control weeds?
herbicide
The process by which ecosystems advance towards a climax community through development of stages over time:
ecological succession
Microscopic plants and animals found floating on the water’s surface where they provide food to aquatic animals are called:
plankton
A group of ecosystems within a region that have similar types of vegetation and similar climatic conditions is a:
biome
Landowners, managers, and users are responsible not only to their own generation, but also to all future generations for care and management of the land and water resources.
good stewardship
A group of similar organisms that is found in a defined area is known as a:
population
Short bushes that grow on the forest floor make up which layer of forest vegetation?
shrub layer
An organism that is not native to an ecosystem is known as a/an:
alien species
Which of the gnawing mammals is equipped with a second set of incisor teeth behind the front set?
rabbit
An animal that has canine teeth is most likely to eat a diet of
meat
Secondary succession occurs on which type of landscape?
fertile open soil
Water that is clouded with suspended particles of silt is described as:
turbid
A ruminant animal is most likely to eat a diet of
grasses and herbs
Which type of land receives the lowest per-acre payment under the WBP?
forest land
A person who studies nature is defined to be a:
naturalist
Describe the annual hydrologic cycle of a typical vernal pool. How does this cycle impact the plants and animals that rely on these habitats?
Some living organisms depend on the dry season to breed, some depend on the wet season, less competition in the different seasons.
The most comprehensive arrangement of organisms located in an environment in a ranking order that connects all of the producers to the primary and secondary consumers is called a:
food pyramid
A scientist who studies relationships between living organisms and their environments is known as a/an:
ecologist
Which of the following gnawing mammals is considered to be a true rodent?
rat
Distinguish between instinctive and learned behavior.
instinctive - born with it (suckling) / learned - figure it out (finding food)
A water habitat in which water tends to move for long periods of time is called a:
lotic habitats
Low biotic potential is defined as:
slow reproductive rate
The conversion of energy from one form to another is always accompanied by the loss of:
heat
The preferred food of the porcupine is:
tree bark
List the taxonomy groupings in order beginning with largest down to smallest.
Kingdom, phylum, class, order, family, genus, species
An environment in which a creature lives is known as its:
habitat
Which of the following animals is known as the ‘rockchuck’?
yellow-bellied marmot
A zone in an ocean environment that is located underwater at high tide and above the water level at low tide is called a/an:
intertidal
Identify ways that freshwater and marine biomes are similar and different.
Similar - water biomes Different - marine include salt water, usually off the coast/ocean. freshwater , no salt, inland
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