Energy
Any form of energy can be transformed into ________ energy.
thermal
Which change in the ecosystem increases the carrying capacity for a particular species?
A. drought
B. flood
C. disappearance of a competing species
D. introduction of a competing species
D. introduction of a competing species
To check if a stovetop is hot, you place your hand near the top of the stove and feel that it is warm without touching it. You can feel the heat from the stovetop because of __________.
radiation
A frog's tongue darts out and catches a fly that the frog finds quite tasty. How is this interaction classified?
A. mutualism
B. commensalism
C. parasitism
D. predation
D. predation
As you move upward, from level to level, in an energy pyramid, the amount of available energy __________.
decreases
According to the law of conservation of energy, the total amount of energy in the universe __________.
A. remains constant B. changes constantly
C. increases D. decreases
A. remains constant
If an area is overpopulated, __________.
A. there will not be enough food for the overpopulated species.
B. there will not be enough food for some other species in the area.
C. Both A and B
C. Both A and B
When a pot of water is put on a stove, the water at the top gets hot primarily by __________.
convection
A squirrel lives in a hollow part of a tree without either hurting or benefitting the tree. How is this interaction classified?
A. mutualism B. commensalism
C. parasitism D. predation
B. commensalism
Which is a model of a feeding relationship?
A. protein building B. food map
C. food web D. sugar molecules
C. food web
When energy changes from one form to another, it is called energy __________.
transformations
If a species exceeds the carrying capacity of an environment, which of the following describes the area?
A. overpopulated B. extinct
C. populated less densely D. all of the above
A. overpopulated
Which cooking utensil would be the best conductor of heat energy when placed in boiling water?
A. metal whisk B. plastic fork
C. rubber spatula D. wooden spoon
A. metal whisk
A honeybee pollinates a flower while it is collecting nectar for its hive. How is this interaction classified?
A. mutualism B. commensalism
C. parasitism D. predation
A. mutualism
Which of the following eats consumers?
A. carnivores B. herbivores
C. bacteria D. fungi
A. carnivore
Which of the following equations define the law of conservation of energy?
A. total energy = kinetic energy - potential energy
B. total energy = potential energy - kinetic energy
C. total energy = kinetic energy + potential energy
D. total energy = kinetic energy x potential energy
C. total energy = kinetic energy + potential energy
What is the carrying capacity of a habitat?
the largest number of individuals of one species an ecosystem can support over time
Which statement is true about radiation?
A. It's the transfer of energy between two objects in direct contact.
B. It's the transfer of energy by movement of a heated substance.
C. It's the transfer of energy through space without contact with the heat source.
C. It's the transfer of energy through space without contact with the heat source.
A tick attaches to a dog and fills up with the dog's blood. This is harmful to the dog. How is this interaction classified?
A. mutualism B. commensalism
C. parasitism D. predation
C. parasitism
Which statement about the flow of energy is true?
A. Energy flows from the top carnivores to the herbivores.
B. Energy flows from the herbivores to the carnivores.
C. Energy flows from the herbivores to the producers.
B. Energy flows from the herbivores to the carnivores.
Which of the following does not reduce friction?
A. grease
B. cotton
C. graphite
D. oil
B. cotton
Which of the following explains the relationship between a population and a community?
A. Communities are made up of populations.
B. Populations are made up of communities.
C. The two words mean exactly the same thing.
D. Populations and communities have no relationship.
A. Communities are made up of populations.
As water boils, a current forms when the molecules of water in the pot are heated, and they move and take their energy with them. Which form of energy transfer is causing the movement of the water molecules?
A. conduction B. convection
C. insulation D. radiation
B. convection
A remora fish attaches itself to a shark. The remora receives a free ride along with a free meal. What type of symbiotic relationship does this represent?
A. mutualism B. commensalism
C. parasitism D. predation
B. commensalism
Nitrogen in the soil is used by __________.
A. plants
B. animals
C. both A and B
D. neither A nor B
C. both A and B