What is the main function of the digestive system?

to break down food so that it can be used by the body

Which pair of statements correctly describes the cell theory?

cell is the basic unit of all organisms -all cells come from existing cells

Which of the following best describes the main function of the circulatory system?

deliver nutrients and other essential materials to cells and remove waste

is when scientists repeat another scientist’s experiment

Which phrase defines the term homeostasis?

maintenance of a stable environment inside the body

What is the role of the immune system in the body?

It gets rid of bacteria and viruses that invade the body.

Why are line graphs said to be powerful tools?

All of these answers are totally awesome!!!

To process an ice cream cone, it is broken down by the _______________ and wastes are removed by the_______________?

digestive system, excretory system

Which claim describes how the skeletal system is related to the nervous system?

the skeleton protects the brain and spinal cord.

How does the nervous system interact with the digestive system?

the nervous system triggers appetite (stomach growling).

What is the role of the nervous system in the body?

to gather and respond to information

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1st Semester Exam Review Part 1

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Questions 25

Answers

1
A well-tested explanation for a wide range of observations or experimental results is called a
scientific hypothesis
scientific law
scientific inquiry
scientific theory
2
The measurements and data scientists gather in support of a scientific explanation is/are called
I forgot
laws
theories
empirical evidence
3
The horizontal axis of a graph runs
vertically
up and down
left to right
diagonally
4
Using one or more of your senses to gather information is called
predicting
observing
classifying
inferring
5
Which term describes the information that a scientist gathers during an investigation?
variable
observation
hypothesis
data
6
What organelle in plant cells makes it possible for plants to carry out photosynthesis?
Cytoplasm
Mitochondria
chlorplasts
cell wall
7
The _____________ is the smallest functional and structural unit of all living things
organism
organ
body system
cell
8
What is the main function of the digestive system?
to remove wastes found in the blood
to break down food so that it can be used by the body
to communicate signals between distant parts of the body
to transport important nutrients to all parts of the body
9
Which pair of statements correctly describes the cell theory?
cell is the basic unit of all organisms -all cells come from existing cells
all cells are the same size, and the cell is the basic unit of all organism
all cells come from existing cells, and all cells have the same parts
cell is the basic unit of all organisms, and all cells have the same parts
10
Which of the following best describes the main function of the circulatory system?
coordinate all other body systems so that they can function together
break down the nutrients found in food so that they can be used by cells
deliver nutrients and other essential materials to cells and remove waste
produce the chemical signals that allow parts of the body to communicate
11
Which factor is being measured into the response of the experiment?
Independent Variable
Hypothosis
Dependent Variable
Replication
12
What is replication?
provides evidence for scientific theories
is when scientists repeat another scientist’s experiment
may lead to debate and confirmation of scientific hypotheses
All of the following answers are incredibly correct!
13
All cells are surrounded by a
cytoplasm
DNA
cell membrane
cell wall
14
Which phrase defines the term homeostasis?
removal of waste materials produced by the cells of the body
division of cells that make up the body
regulation of the environment outside the body
maintenance of a stable environment inside the body
15
When Jimmy Neutron made a representation of a plant cell, he was creating a
model
problem
prototype
process
16
What is the role of the immune system in the body?
It gets rid of wastes that the body produces.
It uses electrical signals to control body functions.
It uses chemical messages to control body functions.
It gets rid of bacteria and viruses that invade the body.
17
Why are line graphs said to be powerful tools?
All of these answers are totally awesome!!!
they help to recognize anomalous data
they can help make predictions.
they show trend
18
To solve a problem, scientists follow a series of steps called
the scientific method
a system of units
a dichotomous key
classification
19
To process an ice cream cone, it is broken down by the _______________ and wastes are removed by the_______________?
digestive system, excretory system
digestive system, immune system
nervous system, excretory system
respiratory system, excretory system
20
Which claim describes how the skeletal system is related to the nervous system?
the brain and spinal cord hold the skeleton together.
the skeleton protects the brain and spinal cord.
the skeletal system works as a part of the nervous system.
the brain determines how the skeleton develops.
21
How does the nervous system interact with the digestive system?
the nervous system is not related to the digestive system.
the nervous system protects your organs.
the nervous system triggers appetite (stomach growling).
the nervous system removes carbon dioxide waste.
22
What is the role of the nervous system in the body?
to protect other organs and tissues
to gather and respond to information
to transport oxygen and carbon dioxide
to send nutrients through the body
23
Which organelle is the power house and creates energy for the cell?
Mitochondria
Vacuoles
Cell membrane
cell phone charger
24
Which area of Science is the study of living things?
Chemistry
Biology
Physics
Geology
25
A scientific hypothesis must be _______.
correct
able to be tested
able to be controlled
able to be manipulated

1st Semester Exam Review Part 1 Flashcards | StudBud