Introduction to Marine Bio
What is the smallest unit of life?
the cell
What is the first step in the scientific method?
observation
Who proposed the idea of continental drift?
Alfred Wegener
What is what type of molecule?
polar
This zone is well light, and photosynthesis is possible here.
euphotic zone
Which type of cell has a nucleus and membrane bound organelles
eukaryotic
This variable is what the researcher measures.
the dependent variable
Name the four ocean basins
pacific, Atlantic, Indian, and arctic
_______water is less dense than _______water
warm, cold
Which color travels the farthest underwater?
blue
List 3 tools that let scientists observe difficult places
Sonar, remote sensing, scuba, ROVs, AUVs, research vessels, and sensors
What is a comparison group that does not receive the experimental treatment
a control
which type of boundary involves plates do not create or destroy much crust. They mainly slide past each other.
transform boundaries
When CO₂ dissolves in seawater, it participates in reactions that can do what?
lower pH
What type of water holds more dissolved oxygen?
cold water
Which organelle breaks down waste, old cell parts, and debris?
lysosomes
After analyzing the data of your experiment what is the following step of the scientific method
revise
_______ begins near the shelf break, but _______ has a gentler accumulation zone
continental slope, continental rise
nutrient rich deep water rises during what process?
upwelling
for every 10 meters of depth, pressure increase by how many atms?
1 atm
List the 6 ocean conditions that shape biology
light, salinity, temperature, pressure, oxygen, and nutrients.
________ data describes descriptions or categories but ________ data describes numbers and measurements
qualitative, quantitative
_________ margins have a wider shelf, and less tectonic activity. _______ margins have a narrow shelf, earthquakes, volcanoes, trenches
passive, active
Name 5 major dissolved ions found in seawater
chloride, calcium, sodium, sulfate, magnesium, potassium
Name three things that pressure can impact biologically
gas spaces, cell membranes, proteins, and enzymes