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REVIEW!!! A student observes and records changes in some materials. Which is an example of a new substance forming?
An iron nail rusts.
A drinking glass breaks.
An ice cream bar melts.
A puddle of water evaporates.
REVIEW!!! During January and February, which most likely helps keep weather mild along the coast of North Carolina?
the jet stream
the Gulf Stream
El Nino
La Nina
Which best describes single-celled organism, such as amoebas?
They take in nutrients directly from their surroundings
They have body systems for transporting nutrients.
They do not need nutrients.
They have tubes for transporting nutrients.
Which is the smallest part of a mouse that can get rid of wastes?
atom
element
cell
system
Which of the human body systems is most responsible for taking in oxygen from the air?
respiratory system
circulatory system
skeletal system
muscular system
REVIEW!!! Which is an example of transpiration?
Dew drops on an oak leaf change to water vapor.
Hail falls from the atmosphere onto a field.
A corn plant's leaves release water vapor into the air.
Cloud droplets form from water vapor in the air.
Which would most likely be the result after an injury to the muscular system of the human body?
The body would not be able to carry blood to the heart.
The body would not be able to move as easily.
The body would not break down food as easily.
The body not be able to absorb nutrients.
Which best describes a human fat cell?
It is one of a group of cells that have many jobs.
It is an organism made up only one cell.
It is one of group of cells that have certain jobs.
It is an organism made up many cells.
Which is an example of a learned behavior?
A blue jay eats seeds.
A bear looks for food in the trash.
A human baby cries.
A tiger cares for its young.
Which best explains why a certain horse has longer legs than its father?
The horse inherited traits from its mothers.
The horse acquired more traits during its lifetime.
The horse inherited traits from both its parents.
The horse learned different behaviors than its father.
REVIEW!!! On Tuesday, the weather is cold and cloudy. On Wednesday, the weather is sunny and warm . Which change most likely occurred from Tuesday to Wednesday?
from low to high precipitation
from low to high pressure
from low to high wind speed
from high to low to temperature
A child's has a toothache and has trouble chewing food. Which system in the child's body does this affect most directly?
respiratory
muscular
digestive
circulatory
Which best compares bacteria and sharks?
Bacteria are multi-cellular, and sharks are unicellular.
Bacteria have transport systems, while sharks do not.
Bacteria is unicellular, and sharks are multi-cellular.
Bacteria reproduce, while sharks do not.
Which best explains why a puppy and its parents all have white fur with black spots?
The puppy and its parents got their fur color from their eco
The puppy learned how to get its fur color from its parents.
The puppy inherited its fur color from its parents.
The parents inherited their fur color from their puppy.
A boy and his father each have a small scar on one arm. Which best describes the boy's scar?
learned behavior
acquired trait
inherited trait
inherited behavior
Which best describes a part of the the skeletal system and its function?
The lungs take in oxygen.
The skull protects the brain.
The nerves carry messages.
The muscles moves the body.
