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WorksheetsQuiz 1
Total questions: 12
Worksheet time: 6mins
Homeostasis refers to
maintaining internal conditions
all the chemical reactions in your body
reacting a a stimulus
An example of a condition maintained by homeostasis is
Emotions
body temperature
body weight
tears
A key component of reproduction is that
offspring must look identical to parents
offspring must be cute
offspring must be fertile
offspring must not reproduce
Where does life begin in the levels of organization?
atom
molecules
organism
cell
Select all of the following that are biological characteristics of life.
Reproduction, growth and development
Movement
Respond to a stimulus
Adapt and Evolve
Breathe
How many of the characteristics of life must something have in order to be considered biologically living?
at least 1 characteristic
3 characteristics
5 characteristics
All of them
What is the ultimate source of all energy on Earth?
the sun
power plants
plants
animals
The nucleus of an atom contains
protons only
protons and electrons
electrons and neutrons
protons and neutrons
The Independent variable is the
thing you measure in an experiment
the thing the scientist manipulates or changes
the group that does not change
only component necessary for an experiment
The dependent variable is the
thing you measure in an experiment
the thing the scientist manipulates or changes
the group that does not change
only component necessary for an experiment
The atomic number of Oxygen is 8 and the mass number is 16. How many protons does oxygen have?
4
8
16
32
The atomic number of Oxygen is 8 and the mass number is 16. How many neutrons does oxygen have?
4
8
16
32
