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WorksheetsQTR 1 & QTR 2 Benchmark Review
Total questions: 20
Worksheet time: 32mins
The brain, spinal cord, and nerves work together to control all body functions. What level of organization do they represent as a group?
cells
organ
organ system
tissue
1. Humans and other complex organisms have a hierarchical system of organization. Which of the following statements is true regarding this system of organization?
Atoms are made of cells.
Organs are made of organ systems.
Cells are made of tissues.
Organs are made of tissues.
Living things maintain homeostasis by getting rid of waste. Which of the following is another way living things maintain homeostasis?
Hiding from predators
Attracting a mate
Extracting energy from food
Moving through their environment
Which of the following is something that all cells must be able to do to survive?
Divide
Use oxygen
Remove wastes
Make their own food
Cell process that help the cell maintain homeostasis are
cell membrane allowing food and nutrients into the cell to be used for energy
removing waste and harmful substances with lysosomes
cell reproduction through division
eating sugar
What is the difference between mitochondria and chloroplast?
Mitochondria produces energy and chloroplasts breaks down energy
There is no difference. They are the same.
Mitochondria breaks down energy from food and chloroplasts produce energy from sunlight.
Mitochondria contains DNA and chloroplasts are green
The ____________________________ is a variable that is the outcome or your results / data.
dependent variable
independent variable
constants
control group
When you repeat something you do MANY TRIALS or MULTIPLE TRIALS.
True
False
Counting the numbers of bubbles produced by plant with many trials is
repetition
replication
The roots of a tree are organs that absorb moisture from the ground. The heart of a mammal is an organ that moves blood around the body.
How are the roots of a tree similar to the heart of a mammal?
Both are organs made of tissues.
Both are made out of animal cells.
Both are made out of plant cells.
Both help the organism breathe.
Scientists use the cell theory to explain how living things are organized.
Which observation would best support the cell theory?
Skin tissue contains sheets of flat cells that come from other cells.
Bacteria are single-celled organisms without any organelles.
DNA samples can be obtained from cells in hair follicles.
Human cells are composed mostly of water and sugar.
Which statement is one reason that plant cells have cell walls while animal cells do not?
Plant cell walls give the plant a more rigid structure so they can grow upward; animal cells need to be more flexible.
Plant cells are more round than square.
Plant cells need less water than animal cells.
None of the above.
Which body system helps fight and protect you from bad bacteria, viruses, and pathogens like the Corona Virus?
IMMUNE SYSTEM
DIGESTIVE SYSTEM
SKIN SYSTEM
BLOOD SYSTEM
TRUE OR FALSE: Parasites attach or harm a host and can kill.
TRUE
FALSE
How do viruses reproduce?
They use a host to make copies / replicate their DNA self.
They undergo budding.
They undergo fission.
They divide.
