Human Body
Which two human body systems are MOST responsible for getting oxygen to cells?
A. digestive and skeletal
B. skeletal and circulatory
C. circulatory and respiratory
D. respiratory and digestive
C. circulatory and respiratory
A rabbit depends on various plants in an ecosystem to survive. Which would most likely happen if a drought decreased the plant population?
A. The rabbit population would increase.
B. The rabbit population would decrease.
C. The rabbit population would remain the same.
D. The rabbit population would increase, then decrease quickly.
B. The rabbit population would decrease.
What conditions are necessary for heat conduction to occur between two objects?
A. The objects must be surrounded by air or water.
B. Two objects at different temperatures are touching one another.
C. Two objects at different temperatures are located close to one another.
D. One object must emit energy as light and heat and another object absorbs the energy.
B. Two objects at different temperatures are touching one another.
A baby horse will inherit all of these traits from its parents EXCEPT
A. height.
B. weight.
C. coat color.
D. preferred food.
D. preferred food.
What is the difference between single-celled organisms’ and multicellular organisms’ ability to survive?
A. Multicellular organisms depend on other organisms for survival, while single-celled organisms do not.
B. Single-celled organisms depend on other organisms for survival, while multicellular organisms do not.
C. Single-celled organisms contain many specialized cells necessary for survival, while multicellular organisms do not.
D. Multicellular organisms contain many specialized cells necessary for survival, while single-celled organisms can survive alone.
D. Multicellular organisms contain many specialized cells necessary for survival, while single-celled organisms can survive alone.
Which best describes the relationship between the skeletal system and the circulatory system?
A. The skeletal system transports red blood cells after the circulatory system produces them.
B. The skeletal system protects red blood cells and the circulatory system pumps those cells through veins and arteries.
C. The skeletal system produces red blood cells and the circulatory system transports those cells where they need to go.
D. The skeletal system helps put oxygen in red blood cells and the circulatory system helps those cells rid the body of carbon dioxide.
C. The skeletal system produces red blood cells and the circulatory system transports those cells where they need to go.
This diagram shows a simple ocean food chain.
algae → fish → seal
Which will most likely occur if the fish population decreases?
A. The algae and seal populations will increase.
B. The algae and seal populations will decrease.
C. The algae population will increase, and the seal population will increase.
D. The algae population will increase, and the seal population will decrease.
D. The algae population will increase, and the seal population will decrease.
How do a wooden spoon and a metal spoon react when placed into a pot of hot soup?
A. Neither spoon gets hot because heat does not transfer through metal or wood.
B. Both spoons will quickly become hot because heat transfers through all materials equally.
C. The metal spoon gets hot sooner because heat transfers more easily through metal than wood.
D. The wooden spoon gets hot sooner because heat transfers more easily through wood than metal.
C. The metal spoon gets hot sooner because heat transfers more easily through metal than wood.
Which action does a kitten learn from its mother?
A. how to grow
B. how to meow
C. how to hunt mice
D. how to nurse milk
C. how to hunt mice
A class is modeling the differences between a unicellular organism and a multicellular
organism. Which example is a model of a unicellular organism?
A. a student passing out water to a group
B. a student getting cereal from the cabinet
C. two students collecting trash from a group
D. four students working together to move a desk
B. a student getting cereal from the cabinet
Bone cells need nutrients. Which two systems get nutrients to bone cells?
A. the digestive system and the circulatory system
B. the circulatory system and the respiratory system
C. the respiratory system and the skeletal system
D. the skeletal system and the digestive system
A. the digestive system and the circulatory system
What would MOST likely happen to this food chain if a farmer decides to dust a wheat crop with an insecticide?
wheat -> insects -> sparrows -> hawks
A. The wheat would become greener.
B. Other birds would move into the fields.
C. The hawks would start eating the wheat.
D. There would be fewer sparrows in the fields.
D. There would be fewer sparrows in the fields.
Bill stands in a swimming pool and notices that the water around his feet is a lot cooler than the water near the surface. Which process causes this difference in temperature?
A. convection
B. evaporation
C. radiation
D. conduction
A. convection
Which two characteristics are inherited?
A. eye color and hobbies
B. hair color and freckles
C. music preference and height
D. handedness and favorite foods
B. hair color and freckles
Which accurately explains how an organism is capable of survival?
A. An amoeba can perform all of life’s processes even though it is single-celled.
B. A grasshopper can live off only one food source even though it is single-celled.
C. A fish can exist if it lives in a group with many organisms even though it is single-celled.
D. An earthworm can survive by using its long, straight digestive system even though it is single-celled.
A. An amoeba can perform all of life’s processes even though it is single-celled.
The circulatory system transports waste through the bloodstream. Which is the best example of another system working to remove waste from the body?
A. The respiratory system releases carbon dioxide.
B. The skeletal system produces new red blood cells.
C. The digestive system breaks down food into nutrients.
D. The nervous system send signals from the brain to the muscles.
A. The respiratory system releases carbon dioxide.
The diagram below is an aquatic food chain.
algae -> clam -> sunfish -> bass
Which will most likely occur if there is overfishing and a loss of clams?
A. The amount of algae would increase and the number of bass would increase.
B. The amount of algae would decrease and the number of bass would increase.
C. The amount of algae would increase and the number of bass would decrease.
D. The amount of algae would decrease and the number of bass would decrease.
C. The amount of algae would increase and the number of bass would decrease.
The area in front of a fire feels warm on a cold evening. What are the processes that cause the person in front of the fire to feel warm?
A. conduction and convection
B. radiation and conduction
C. radiation and convection
D. radiation, convection, and conduction
C. radiation and convection
Which are inherited characteristics?
A. dimples, freckles, curly hair
B. height, freckles, liking vegetables
C. eye color, music preference, handedness
D. playing a musical instrument, eye shape, hair color
A. dimples, freckles, curly hair
Which best explains why a human needs many cells to survive?
A. Each individual cell is too small to function alone.
B. Each cell joins with other cells to form one massive cell.
C. Each cell works with other cells to perform all necessary life functions.
D. Each cell absorbs a different gas from the environment necessary for human survival.
C. Each cell works with other cells to perform all necessary life functions.
For which function do the respiratory and muscular systems need to work together?
A. hearing sounds
B. processing thoughts
C. making new blood cells
D. removing waste from the body
D. Removing waste from the body.
BONUS: What waste?
The diagram below is a simple grassland food chain.
grass -> mouse -> snake
If a predator of the snake were introduced to the ecosystem, which would most likely happen?
A. The grass population would increase.
B. The snake population would increase.
C. The mouse population would increase.
D. The mouse population would decrease.
C. The mouse population would increase.
Which statement best describes how winter weather can damage roads?
A. Snow and ice can cause car accidents, which damage roads.
B. Rain, ice, and snow can cause the painted lines on roads to fade.
C. Cold temperatures can cause road materials to expand, creating potholes.
D. Water can get into cracks in roads, then freeze and expand, making the cracks worse.
D. Water can get into cracks in roads, then freeze and expand, making the cracks worse.
Which characteristic is a trait that is NOT passed from parent plants to their offspring?
A. leaf shape
B. flower color
C. plant height
D. survival rate
D. survival rate
Which of the following must get nutrients from a transport system?
A. amoeba
B. euglena
C. skin cell
D. bacterial cell
C. skin cell
BONUS: What is a transport system in our body?