EOY Human Body Review Question Preview (ID: 42764)
7th Grade Science End Of Year Review.
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Muscle tissues are made of specialized units called
a) organs.
b) cells.
c) genes.
d) organelles.
The structures in the bodies of many organisms have levels of organization that help the body to carry out life processes. Which list correctly shows how these levels are organized from the simplest to the most complex?
a) tissue, cell, organ, organ system
b) organ, cell, organ system, tissue
c) cell, tissue, organ, organ system
d) organ system, tissue, organ, cell
The human body is made up of different levels of organization. A tissue is a group of cells that work together to perform a specific function. Which would be an example of a tissue in the human body?
a) stomach
b) platelets
c) muscle
d) hair
Which series correctly represents the levels of organization in an organism?
a) cells - organs - organ system - tissue
b) cells - tissue - organs - organ system
c) tissue - cells - organ system - organs
d) tissue - organ system - cells - organs
Complex organisms require a large number of cells that
a) are specialized and work together.
b) resist being attacked by viruses and bacteria.
c) will keep the organism warm.
d) can retain more water than a small number of cells.
Which structure refers to a group of specialized cells that all perform the same function?
a) virus
b) tissue
c) organ
d) nucleus
Trees use narrow tubes to transport water upward. Which property of water allows the water to rise in these narrow tubes?
a) high vapor pressure
b) high boiling point
c) cohesion of molecules
d) net charge of molecules
Based on the organization of living things, tissues
a) form systems.
b) are made of cells.
c) are made of organs.
d) do the work of cells.
Charisma has a goldfish she keeps in a tank. She planted several underwater plants in the bottom of the tank. How are the goldfish and the plants in the tank similar?
a) Both add oxygen to the water.
b) Both perform photosynthesis.
c) Both are made up of cells.
d) Both eat food.
In humans, digestion begins in the mouth. The complete process of digestion occurs with the help of many different parts of the body. Which term BEST identifies the parts of the body that carry out the function of digestion?
a) an organ
b) an organism
c) a system
d) a tissue
The nervous system is composed of cells, tissues, and organs. Which is a cell of the nervous system?
a) brain
b) spinal cord
c) ganglion
d) neuron
Jonny climbed an apple tree. How are Jonny and the apple tree similar to each other?
a) Both are made of cells.
b) Both take in carbon dioxide.
c) Both get nutrients directly from soil.
d) Both get energy from other organisms.
Which of these is the basic building block of complex organisms?
a) a cell
b) a tissue
c) an organ
d) an organ system
Where do many of the basic life functions take place in organisms?
a) brain
b) cells
c) heart
d) nerves
An organism, such as a nematode worm, may have only 1000 cells. It should be classified as being
a) a virus.
b) a bacteria.
c) unicellular.
d) multicellular.
Muscle cells have the ability to store and release large amounts of energy. Which body function is BEST served by this release of energy?
a) exchanging gases
b) moving body parts
c) absorbing nutrients
d) sending nerve impulses
Blood is a fluid made up of several different parts. What level of structural organization BEST describes blood?
a) a cell
b) a tissue
c) an organ
d) a system
Similar types of cells form tissues. What is the next level of complexity formed from the grouping of tissues?
a) organs
b) organelles
c) organisms
d) organ systems
Which of the following indicates the correct representation of the levels of organization in living systems?
a) ecosystems → organs → organisms → tissues → cells → organ systems
b) tissues → cells → organ systems → organisms → organs → ecosystems
c) organisms → tissues → organ systems → cells → organs → ecosystems
d) cells → tissues → organs → organ systems → organisms → ecosystems
Which is a basic structure found in all living organisms?
a) cell
b) organ
c) compound
d) element
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