sci quiz Flashcards
What is the scientific term for a living thing?
organism
all living things are…
organized
What is the simplest level at which life may exist?
Unicellular
Are all cells alike?
No
What is another word for the various jobs cells perform?
What’s around to sell and separates it from its environment?
plasma membrane
What is the difference between unicellular and multicellular organisms?
unicellular organisms have one cell while multicellular organism have more than one cell
multicellular organisms can be organized into what other levels?
tissues, organs, and systems
Define reproduction.
The production of offspring
What would happen if all individuals and species were sterile ( Not able to have babies)?
The species with go extinct
Why is reproduction necessary?
It is essential for the survival of species
What is extinction?
the death of an organism or species
What are the two kinds of reproduction?
sexual and asexual
How do all organisms begin life?
They start as a single cell
What is the difference between growth and development?
Growing is only physical while development is both physical and mental
How is the growth of a living thing different from the growth of a non-living thing?
The growth of a living thing is internal and that living thing produces more cells while a non-living thing does not do this
What is energy?
The ability to make things change
Why is energy important to a living organism?
It powers life processes
What is the difference between an autotroph and a heterotroph?
autotrophs make their own food while heterotrophs have to get food externally
What is the name of the process that plants use to make their own food using energy from the sun?
photosynthesis
Name the characteristic of life
That boy shot up 5 inches in only one year
growth
Name the characteristic of life
Our cat had a litter of kittens yesterday
reproduction
Name the characteristic of life
My dog has become much less clumsy now that he is a year old
development
Name the characteristic of life
Eat a good breakfast and you will be able to run longer
obtain energy
Name the characteristic of life
When that car pulled in the driveway my cat ran to hide under the porch
response to stimuli
Name the characteristic of life
That I was night vision allows it to see the movement of mice even on the darkest night
adaptation or evolution
Name the characteristic of life
single-celled organisms live in the pond behind the school
One or more cells
Name the characteristic of life
Your body normally maintains the temperature of 98.6 Fahrenheit
homeostasis
What is biology?
the study of living things
What is a producer/ autotroph?
an organism that can make its own food
What is the substance inside the cell wall of a fungi called?
chitin
What is the substance inside the cell wall of a bacteria called?
peptidoglycan
Why is metabolism important for homeostasis?
metabolism allows us to break down food for nutrients for our body which allow us to have energy and live healthy lives
