Worksheets11/09 - Benchmark Review
Total questions: 15
Worksheet time: 8mins
If people planted more trees and shrubs in their yard, what would these organisms compete for the most?
Temperature zone
Water and sunlight
Shelter
There will be no competition among these organisms
Which of the following is NOT an example of how biotic factors interact with abiotic factors in an ecosystem?
A lion preys on a herd of gazelle.
Plants remove carbon dioxide from the air and add oxygen.
Animals cause erosion by digging in the dirt.
A lizard raises its body temperature by using heat from the Sun.
A company purchased a large forest and cut the trees for lumber. Sunlight which had not reached the forest floor
before was now very bright on the bare ground. Grass began to grow rapidly because of increased access to light
and moisture.
Which population of organisms would be in DIRECT competition with the grass for the same resources?
Spotted owls
Squirrels
Hawks
Wildflowers
Koalas live almost entirely on leaves from eucalyptus trees and they are native exclusively to Australia.
Destruction of the Koalas’ habitat will most likely lead to -
koalas producing more offspring.
a decrease of the koala population.
the koalas becoming larger.
an increase of the koala population.
Large forest fires have been common in parts of the Western United States in the past few years. The forest
ecosystem is changed by this natural disaster.
Which of the following is a result of a large forest fire?
Wildlife populations will increase in the area.
Wildlife populations will decrease in the area.
New plant growth will decrease for many years.
All new organisms will populate the area.
In Austin, Texas, a well-known salamander inhabits the waters of Barton Springs. This is the perfect habitat for
the Barton Springs salamander since it thrives in fresh and pure continuous flowing water. They may inhabit
underground or surface environments.
What is the most likely way that humans could have a damaging impact on the Barton Springs salamander?
Polluting the water
Floating down the river
Adding new water vegetation
Adding new crustaceans
What impact do oceans have on humans?
Humans depend on oceans for jobs, recreation, and food.
Oceans are a major influence on weather patterns.
Oceans are a vital component of the water cycle.
All of the above.
Which subatomic particles are found in the nucleus of an oxygen atom?
Neutrons and Electrons
Electrons and Protons
Protons and Neutrons
Protons, Neutrons, and Electrons
Which of the following correctly describes the electrical charges of subatomic particles?
Protons/positive; neutrons/negative; electrons/neutral
Protons/positive; neutrons/neutral; electrons/negative
Protons/neutral; neutrons/positive; electrons/negative
Protons/negative; neutrons/neutral; electrons/negative
Which of the following subatomic particles are found surrounding the nucleus and have a negative charge?
negatrons
neutrons
protons
electrons
Which best describes the number of protons in the nucleus of an atom?
Atomic Number
Isotopic Charge
Nuclear Charge
Mass Number
Which element on the periodic table has 4 protons, 4 electrons, and 5 neutrons?
Aluminum
Beryllium
Fluorine
Oxygen
Which of the following models represents an atom that is more reactive than the others represented?
What group on the periodic table are the noble gases found?
15
16
17
18
The element in Group 15, Period 4 on the Periodic Table is best classified as a -
metal
metalloid
nonmetal
noble gas
