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WorksheetsAir Review #1 (2025)
Total questions: 25
Worksheet time: 26mins
The graphs show the reaction rate for an enzyme across a range of temperatures and pH. Based on the data, this enzyme functions best at what temperature and pH?
What is the optimal pH of enzyme A?
8
2
5.7-10
10
Enzymes are an example of
Lipids
Carbohydrate
Protein
Nucleic Acid
Which statement best describes the predator-prey relationship displayed on this graph?
There is no relationship between the predator and prey.
When the prey population increases, the predator population decreases.
When the prey population increases, the predator population increases.
when the predator population increases, the prey population increases.
What is carrying capacity?
A condition that occurs when two or more organisms compete for the same resources within an ecological community
A relationship in which two organisms are mutually dependent on each other for survivial
All the biotic and abiotic factors and the interactions among them in a given area
The maximum number of organisms an ecosystem can support
factors that affect a population depending on its size
- these include food, predation, parasitism, and disease
Density-Dependent factor
Density-Independent factors
affect all populations similarly regardless of population size. Examples include: natural disasters, rapid climate changes (drought or floods), and human activity and disturbances
Density-Dependent factors
Density-Independent factors
What point on the graph represents the carrying capacity?
A
B
C
D
Which organism in the food web shown to the right would
contain the lowest concentration of chemical pollutants?
producers
primary consumers
secondary consumers
tertiary consumers
The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...
Biotoxicity
Biomagnification
Eutrophication
Predation
Consider the following food chain:
Algae > Mayfly > Minnow > Trout
In a polluted ecosystem, which organism would likely have the HIGHEST level of toxic chemicals in its body?
Algae
Mayfly
Minnow
Trout
What is the approximate carrying capacity of Paramecium aurelia grown alone?
100
200
300
450
Which type of growth can occur only when a population has unlimited resources?
limited
logistic
exponential
negative
Active transport (a) require energy because it moves (b) the concentration gradient, from (c) .
Passive transport (a) require energy because it moves (b) the concentration gradient, from (c) .
