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WorksheetsUnit 7 Test
Total questions: 25
Worksheet time: 6hrs 15mins
Which biome does this graph best represent?
Tropical rainforest
Deciduous forest
Tundra
Desert
On which visit to the area would you observe the most mature community?
Visit 3
Visit 7
Visit 4
Visit 1
What was the average temperature for this biome during December?
25°C
28°C
23°C
19°C
During 1920, the rabbit population was extremely low. Which statement below can be assumed about the bobcat population in 1920?
The bobcat population fell to a record low population.
The bobcat population had to look for alternative prey.
The bobcat population lost all tree and shrub shelter.
The bobcat population was not hunting any rabbits for prey.
Which two species of spiders will most likely constantly compete for prey?
Species 3 and 5
Species 1 and 3
Species 2 and 5
Species 1 and 4
From the following choices, which region had the lowest population growth in 2000?
Europe
Asia
North America
Africa
Zebra mussels and kudzu vine are both aiien species brought to America. Why do alien species usually thrive in their new habitat?
The alien species are always autotrophs.
The new habitat often lacks natural predators of the alien species.
The alien species are weaker.
The new habitat is free of pollution.
A student planted an orchid in soil and monitored it for four years. What most likely happened to the orchid during Year 3?
The orchid was phototropic
The orchid hibernated
The orchid died
The orchid was dormant.
An adaptation that a snake must have to live in the biome represented by number 1 has tolerance of-
no access to insect prey
decreased amounts of minerals in the soil
mild temperatures
limited access to water
Which of the following statement best summarizes the chart?
As the population of the world decreases, the amount of carbon emissions decreases.
As the population of the world increases, the amount of carbon emissions decreases.
As the population of the world increases, the amount of carbon emissions increases.
As the population of the world decreases, the amount of carbon emissions increases.
A tapeworm lives inside the intestines of a dog. The tapeworm steals the nutrients form the food the dog has digested. What type of symbiotic relationship does this best represent?
Commensalism
Cooperation
Parasitism
Mutualism
Examine the given food web. Which of the following is an example of a prey-predator relationship?
A ringtail consumes a coyote
A pine marten consumes a bobcat
A raven consumes a pacific tree frog
A mountain lion consumes an Edith's checkerspot.
As the stream current increases-
the size of the sediment that is carried increases
the volume of the sediment that is carried decreases
the size of the sediment that is carried decreases
the volume of sediment that is carried stays the same
Starting in 1985, the wolf population begins to decline greatly while the moose population rises quickly. What causes this severe increase and decrease between the two populations?
The increased amount of prey cannot be hunted by the predator
Predators are uninterested in hunting the prey
Limited predators are available to hunt for prey
The prey has now begun hunting the predator
The type of ecosystem an area has is determined by-
The amount of watersheds
Water quality
Abiotic factors
River tributaries
Which of the following correctly identifies the watersheds in Virginia? (Choose all that apply)
North carolina sounds is number 1
North carolina sounds is number 3
Chesapeake bay is number 2
Gulf of mexico sounds is number 2
Chesepeake bay is number 1
What process is shown?
Respiration
Diffusion
Osmosis
Active transport
Click on the characteristics that can be inferred about this animal's niche as a nocturnal predator.
Has excellent night vision
Catches the most prey at midday
Has grasping talons
Scavenges from rotting carcases
Hunts live prey at night
To live in the biome represented by number 2, an artic fox must must adapt to the-
nonexistent access to any type of prey
low amounts of precipitation
harsh summer temperatures
increased amounts of precipitation
If hunters kill most of the top level predators, like mountain lions and coyotes, what effect will this have on the herbivores within the ecosystem?
The number of herbivores will not be affected
The herbivores will go extinct
The number of herbivores will decrease
The number of herbivores will increase
The Camel and Banana spider species both eat the same prey. The two species are competing the most for which type of prey?
Flies
Birds
Lizards
Bees
Even though the Chesapeake Bay is primarily located off the coast of the state of Virginia, other states can affect the water quality in the estuary. How is this possible?
Citizens from other states send their trash to areas in Virginia.
Streams start in the state of New York and end in Virginia.
Pollution from New Jersey contaminates the Atlantic Ocean.
The Chesapeake Bay watershed is located in 6 different states.
The arrows labeled 5 are moving water through the wetland area. What other function is being fulfilled during this process shown by the arrows labeled number 5?
Weathering and erosion is occurring underground causing flooding.
The water is infiltrating upwards, away from the stream labeled 4.
Nutrients are being removed from the water and placed back into the stream labeled 1.
The water is being filtered and pollutants are being removed.
Eutrophication causes a water system to become cloudy, changing the water to a color shade of green, yellow, brown, or red. The growth of what organism causes the water system to become cloudy?
Fish
Phytoplankton
Jellyfish
Seaweed
Which term best descibes the niche of a shark?
Prey
Decomposer
Parasite
Predator
