Ecosystems
Which of the following is a primary role of plants in an ecosystem?
A) Decomposer B) Consumer C)Producer D) Predator
C) Producer
This body system is responsible for breaking down food into nutrients that the body can use for energy and growth.
digestive system
Which of the following is an instinctive behavior?
A) A dog learning to shake hands
B) A baby crying when hungry
C) A parrot imitating human speech
D) A child riding a bicycle
B) a baby crying when hungry
Which process in the water cycle is primarily driven by the sun's energy and involves water changing from a liquid to a gas?
evaporation
This force pulls objects toward the center of the Earth and is responsible for making apples fall from trees.
gravity
In a forest ecosystem, which organism is most likely to be a decomposer?
A) Oak tree B) Earthworm C) Rabbit D) Hawk
B) earthworm
This system carries oxygen and nutrients to all parts of the body and removes waste products.
circulatory system
Which behavior is learned rather than instinctive?
A) A spider spinning a web
B) A bird building a nest
C) A human reading a book
D) A fish swimming upstream
C) A human reading a book
Which weather instrument is used to measure wind speed, an important factor in analyzing weather conditions?
anemometer
This force opposes the motion of an object sliding across a surface and can cause it to slow down.
friction
Which ecosystem is most likely to support a wide variety of marine life due to its nutrient-rich waters?
A) Desert B) Grassland C) Ocean D) Estuary
D) Estuary
These two systems work together to allow the body to move.
skeletal and muscular systems
Which of the following traits is inherited?
A) Speaking English
B) Natural hair color
C) Playing the piano
D) Writing poetry
B) Natural hair color
In North Carolina, what severe weather event is characterized by rotating winds and can cause significant damage to structures?
hurricanes
When you push a heavy box and a light box with the same force, why does the heavy box not move as far as the light box?
The heavy box has more mass and takes more force to move it.
Which of the following statements best describes a grassland ecosystem?
A) It has a high level of rainfall and is covered with tall trees.
B) It is characterized by dry soil and scarce vegetation.
C) It supports large populations of grazing animals and has few trees.
D) It is dominated by saltwater and supports marine life.
C) It supports large populations of grazing animals and has few trees.
This system is responsible for taking in oxygen and expelling carbon dioxide.
respiratory system
Which trait is acquired rather than inherited?
A) Freckles on the skin
B) Ability to play soccer
C) Eye color
D) Dimples
B) Ability to play soccer
What is responsible for the difference in weather between the coast of North Carolina and the mountains of North Carolina?
Gulf Stream
What is called when an object begins to move faster and faster?
acceleration
How do plants and animals work together in an ecosystem?
A) Plants eat animals for energy.
B) Animals convert sunlight into food for plants.
C) Animals provide carbon dioxide for plants, while plants provide oxygen for animals.
D) Plants compete with animals for space
C) Animals provide carbon dioxide for plants, while plants provide oxygen for animals.
This system controls and coordinates all the activities of the body, including movement, growth, and response to stimuli.
nervous system
What is the main difference between inherited and acquired traits?
A) Inherited traits are controlled by the environment, acquired traits are controlled by genes.
B) Inherited traits are passed down from parents, acquired traits are developed through learning or experience.
C) Both inherited and acquired traits are learned behaviors.
D) Inherited traits can be changed, acquired traits cannot.
B) Inherited traits are passed down from parents, acquired traits are developed through learning or experience.
How does the Atlantic Ocean influence the climate of North Carolina?
A) It causes more frequent blizzards in the winter.
B) It moderates temperatures, making summers cooler and winters milder.
C) It increases the chance of drought by reducing humidity.
D) It has no significant impact on the state's climate
B) It moderates temperatures, making summers cooler and winters milder.
Dr. Tharpe and Mr. Poplin go on a drive to find Bigfoot. They drive for 4 hours and travel 80 miles. What was their speed?
80 miles divided by 4 hours= 20 miles/hour