Science Exam
Miral Sadiq Science Exam
Which body organ produces bile?
Liver
Pancreas
Gallbladder
Kidney
What is the main task of the digestive system?
It breaks down foods into nutrients that can be used by the body.
To take in oxygen and exhale waste like carbon dioxide.
All of the above.
None of the above.
What tube is a part of the digestive system which is between the mouth and the stomach?
Trachea
Esophagus
Ureters
Stomach
Which example below shows the level of organization in the human body from simple to complex?
muscle cell, muscle, muscular system, muscle tissue
muscular system, muscle, muscle cell, muscle tissue
muscle tissue, muscle, muscular system, muscle cell
muscle cell, muscle tissue, muscle, muscular system
Which of these best describes how the digestive system is organized?
digestive cells are made of digestive systems
digestive tissues are made of digestive cells
digestive cells are made of digestive tissues
digestive organs are made of digestive systems
How do kidney cells help other cells in the body?
They help other cells produce food.
They help other cells divide more quickly.
They help transport oxygen from the lungs to other cells.
They help remove wastes produced by other cells.
Which statement below best describes a function of both the nervous system and the endocrine system?
They defend against disease.
They remove wastes from the body.
They coordinate the tasks of other organs.
They transport oxygen to tissues and organs.
The circulatory and excretory systems work together to:
Transfer waste from organs to outside the body
Provide body tissues with nutrients from food
Deliver carbon dioxide to the lungs
Deliver oxygen to muscles
If an illness were to prevent the mouth, esophagus, stomach, and intestines from working correctly how would the cells of the body be affected?
The cells would not be able to get rid of liquid waste
The cells would not be able to exchange oxygen and carbon dioxide
The cells would not be able to fight off infection
The cells would not be able to receive as many nutrients
What is a primary consumer?
A plant that uses sunlight for photosynthesis
An animal that eats plants
An animal that eats other animals
An organism that lives by breaking apart dead plants and animals and returning nutrients to the soil is a......
scavenger
decomposer
consumer
carnivore
Which statement is TRUE about how living things get food?
Producers eat consumers.
Consumers eat only other consumers.
Producers eat other producers.
Producers make their own food.
In what order do a hawk, grass, and rabbit form a food chain in a meadow?
Hawk-->grass-->rabbit
Grass-->hawk-->rabbit
Rabbit-->grass-->hawk
Grass-->rabbit-->hawk
A habitat is a place where __________.
All the conditions that surround an organism.
All the populations of different organisms.
An organism lives.
None of the above
Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. These actions most benefit plants by what?
returning nutrients to the soil.
releasing oxygen into the air.
making space for new animals.
decreasing the population of herbivores.
A carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
An animal that is hunted and caught for food could be an herbivore, omnivore, or carnivore and is called______.
food.
a mate.
a dead thing.
prey.
If there were no decomposers in a forest, which statement best describes how trees would be affected?
Trees would stop growing because their roots would have no water.
Tree would not get sick because there would be no germs in water.
Trees would keep growing forever because they would never rot.
Trees would die because the soil would run out of important nutrients.
How would you describe an ecosystem?
The three main parts of the brain are the
spinal column, ribs, and skull.
cerebrum, brain stem, and cerebellum.
spine, brain, and skull.
brain stem, nerve cells, and spinal column.
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