Lessons 1-3 Flashcards
Describe the difference between a unicellular and multicellular organism
Unicellular - One cell
Multicellular - Multiple cells
When using a microscope, which adjustment knob do you use to do the initial focusing on the slide?
Course adjustment
What are organisms made up of? What is the smallest unit of life?
Cells
How are they cheek and skin samples similar?
They both have the nucleus (dot in the center)
What is the term and meaning for M in MRS GREN?
Movement, to change positions
What is the term and meaning for S in MRS GREN?
Sensitivity, to detect the changes in the surroundings
(1st)
What is the term and meaning for R in MRS GREN?
Respiration, produce energy from food
What is the term and meaning for G in MRS GREN?
Growth, to increase in size
What is the term and meaning for R in MRS GREN?
Reproduction, to create offspring
What is the term and meaning for E in MRS GREN?
Excretion, removes wastes made in body
What is the term and meaning for N in MRS GREN?
Nutrition, break down food
What is a system?
A set of parts working together to accomplish a task
Are you (a human) a system? Why or Why not
Yes. Humans have lots of parts that work together to keep us alive
Are living things made of cells?
Yes
What is the meaning of a cell?
Basic unit of structure and function in an organism
What is the meaning of a tissue?
A group of cells that work together to perform a task
What is the meaning of a organ?
Two or more tissues working together to perform a task
What is the meaning of a organ system?
Organs that work together to perform a task
What is the meaning of a organism?
A living thing
What is the amoeba doing?
Growing (engulfing paramecium and increasing in size due to absorbing them)
Responding to stimuli (moving away from the rocky bit)
Reproducing (splitting into two amoebas)
Obtaining nutrition (engulfing the paramecium) (paramecium are responding to the stimuli of being trapped)
