These factors have an increasing effect as a population increases?
What are density-dependent factors?
100
This is the building block of matter.
What is an atom?
100
This type of cell has a nucleus.
What is a eukaryotic cell?
100
The diffusion of water across a selectively permeable membrane is known as what?
What is osmosis?
100
Adenine and guanine are purines, with what kind of ring structure?
What is a double ring structure?
200
The ability of an organism to withstand fluctuations in biotic and abiotic environmental factors is what?
What is tolerance?
200
These electrons are in the outer energy level of an atom.
What are valence electrons?
200
Both prokaryotic and eukaryotic cells have DNA, ribosomes, cytoplasm, and what?
What is a plasma membrane?
200
Animal cells would burst swell and burst in this type of solution.
What is a hypotonic solution?
200
The process in which DNA in chromosomes is copied is called what?
What is DNA Replication?
300
Rapid maturity, early reproduction, and a short life span are all properties of a what?
What is a rapid life history pattern?
300
This type of bond is made from transferring electrons.
What is an ionic bond?
300
This microscope can magnify up to 1,000,000 times.
What is an Electron Microscope?
300
The process of when a cell engulfs a material from the environment is called what?
What is endocytosis?
300
A change in a single base pair is called what?
What is a point mutation?
400
N=M x C/R is the formula for what?
What is the mark and recapture technique?
400
This molecule is made from a bond in which electrons are shared unequally.
What is a polar molecule?
400
This organelle digest excess or worn out organelles.
What is a lysosome?
400
The four phases of mitosis are prophase, metaphase, anaphase, and what?
What is telophase?
400
UV light, x-rays, nuclear radiation, and asbestos are all examples of what?
What is a mutagen?
500
The study of human population, size, density, distribution, movements, and birth/death rate is known as what?
What is a demography?
500
This process uses water to break bonds between subunits that make up polymers.
What is hydrolysis?
500
What are common troubleshooting techniques for microscope use? (What should you do if you can't see the specimen?)
What is checking if the light is on? The lens is clicked into place? The specimen is centered? Check the diaphragm setting?
500
Name four of the seven signs of cancer.
What is a change in bowel or bladder habits?
a sore that will not heal?
unusual bleeding/dischange?
thickening or lump in breast or elsewhere ?
indigestion or trouble swallowing?
obvious change in wort/mole?
nagging cough/horseness?
500
Who proposed that the structure of DNA is a double helix?