Cartilaginous fish
This is what cartilaginous fish lack.
what are bones
All ecosystems start here
What is the sun?
This is the process that plankton use to make oxygen
what is photosynthesis
These marine animals give birth to live off spring and breath through a blow hole
what are marine mammals?
When a liquid is below 7, it is consider this.
What is acidic?
This is a type of cartilaginous fish.
what is a ray/shark/skate
These organisms come right after the sun and make oxygen and take in sun light.
What are autotrophs?
This stands for plant plankton
what is phytoplankton
A lamprey is an example, they do not have a jaw.
What are a jawless fish?
My ppt of salt is 150 when my water ppt this.
What is 850 ppt?
These line the outside of the shark
What are placoid scales
The ocean is considered this when in reference to carbon. Because the ocean stores carbon dioxide.
What is a carbon sink?
This stands for animal plankton
What is zooplankton
These's animals hunt in pods and will play with their prey before eating it.
What are orca whales?
Eggs float in water when this happens
What is high density of water?
Sharks, our ears, and noses are made of this
What is cartilage?
This is where nutrients cannot be interchanged.
What is a dead zone?
Plankton take this gas out of the environment and makes oxygen.
What is carbon dioxide (CO2)
Fish we usually eat as tuna would be an example of this type of fish.
What is a bony fish?
This is what happens when salt dissolves in water..
What are ions?
Some animals we can not see it on, but we can see them on sharks because it helps them breath
What are Gill slits
This is where rivers and oceans meet.
What is an estuary?
majority of the oxygen production from photosynthesis are produced by these.
What is plankton?
These animals get their blood temperature from the surrounding environment.
What are cold blooded animals?
The definition of this would be how much salt is in water.
What is salinity?