Characteristics of Life/Levels of Organization
What is the smallest level of organization for living things?
Cells
Explain the difference between the independent and dependent variables.
Independent - manipulated, changed
Dependent - measured, changes as a result of independent
What is the magnification of the ocular lens?
10x
Where did Mrs. Neely go to college?
Clemson
What is the correct order of levels of organization from smallest to largest?
cell, tissue, organ, organ system, organism
What is the first step in any experimental design?
Identify a problem
What is the total magnification seen through each of the following: scanning power, low power, and high power?
scanning - 40x
low - 100x
high - 400x
How old is Mrs. Neely?
25
Is a virus considered a living organism?
NO
When making a graph, on which axis do you place the different variables?
X - independent
Y - dependent
Describe the difference between coarse and fine adjustment knobs.
coarse - moves stage up and down and gives you a rough focus
fine - does not move stage and gives you a sharp focus
What is my daughters name?
Vivian
In a human nucleus, you have 46 chromosomes. Of the 46 chromosomes, 23 of them are received from your mother and 23 are from your father. This concept explains what characteristic of life
contains DNA
When creating a hypothesis, what is the best format to use?
If (independent variable), then (dependent variable), because .....
Explain how to create a wet mount.
1. place a drop of water on slide
2. place specimen in the water
3. hold cover slip over the specimen at a 45 angle and slowly lower it
(can swap steps 1 and 2)
This organ will stay the same size throughout your entire life (birth --> adult).
eyeballs
made of cells, contains DNA, can grow and develop, respond to stimuli, maintain homeostasis, obtain and use energy, able to reproduce, can evolve
Explain the difference between a theory and a law and provide one example of each.
Law - what (gravity)
Theory - why (evolution)
We learned about 3 kinds of microscopes. List and describe each.
Scanning electron - allows you to see surface details
Transmission electron - allows you to see inside of a cell
Compound light - allows you to see images in color
Where is the strongest muscle located and what is it called?
jaw; masseter muscle