Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
What is the process by which green plants and other producers use light energy to make food?
|
photosynthesis
|
|
|
Why is visibility decreased the deeper you go in the ocean?
|
the surface water absorbs much of the sunlight
|
|
|
How do temperature and pressure change as you go deeper into the ocean?
|
Temperature decreases, pressure increases
|
|
|
What unit is water pressure measured in?
|
pounds per square inch
|
|
|
What do all food chains in the ocean start with?
|
phytoplankton
|
|
|
What are 3 examples of nekton?
|
fish, squid, octopus, whale, porpoise
|
|
|
What 2 factors affect the density of ocean water?
|
temperature and salinity
|
|
|
What are 3 examples of benthos?
|
clams, starfish, oysters, mussels, crabs, seaweed, coral, barnacles
|
|
|
What are tiny living creatures that float near the surface and drift with the currents?
|
plankton
|
|
|
What are the 6 main substances that make up about 99% of all the dissolved materials in ocean water?
|
sodium chloride, magnesium sulfate, magnesium chloride, calcium chloride, potassium chloride, sodium bicarbonate
|
|
|
What are all of the free-swimming animals that live in the ocean?
|
nekton
|
|
|
What are the plants and animals that live on the ocean floor?
|
benthos
|
|
|
What is the total amount of dissolved salts on ocean water?
|
salinity
|
|
|
What are substances that wash into the ocean but do not dissolve?
|
sediments
|
|
|
What is ocean water?
|
A mixture of the compound water(H20) and several salts.
|
|
|
What are animal-like plankton?
|
zooplankton
|
|
|
Where did the salt in the present day oceans come from?
|
When rainwater flows over the land, it dissolves and carries away traces of salt. The rainwater drains into rivers and streams and empties into the oceans.
|
|
|
What are plantlike plankton?
|
phytoplankton
|
|
|
What causes the condition called the bends in SCUBA divers?
|
nitrogen builds up in their body tissues, which forms bubbles in their blood
|
|
|
What does SCUBA stand for?
|
Self-Contained Underwater Breathing Apparatus
|
|
|
|
|
