Freshwater Fish Common fish? Carp Small Mouth Bass Trout Catfish

Freshwater Fish Where do these fish live? Lakes Rivers Ponds Streams

Why can’t freshwater fish live in salt water? Osmosis causes freshwater fish to constantly absorb water so they never have to "drink” What would happen if we place a freshwater fish in salt water? The fish would quickly lose water from its cells The water would not be replaced Fish would die of dehydration

Saltwater Fish com/fish.html com/fish.html Common fish we will focus on: Striped Bass Flounder Bluefish

Saltwater Fish Where do saltwater fish live? Bay Ocean These fish love to stay near structures Hiding place to attack their prey Protection

Why can’t saltwater fish live in fresh water? Saltwater fish have evolved to deal with water constantly rushing out of their bodies salt in the surrounding water puts pressure on the fish constantly drinking water and releasing salts If you put a saltwater fish into fresh water, it continues to drink water, and push salts out if its body quickly loses too much salt, and its body begins to react Nerves become inactive, fish's organs shut down, causing it to die

Thumbs up, Thumbs Down Trout, catfish, and small mouth bass live in fresh water. Freshwater fish live in the bay. Freshwater fish never “drink”. Bluefish live in lakes. Saltwater fish love to stay near structures. Saltwater fish would die if put in fresh water for a long period of time.

So, what are we doing today? We are going to go fishing! In the “morning”, we are going to go fishing in the ocean to catch flounder, bluefish, and striped bass. In the “afternoon”, we are going to go fishing at the lake to catch trout, catfish, and small mouth bass. Our goal: find the total number of each fish in our lake and ocean.

Quick Math Review Experimental Probability What actually happens Physically doing it Theoretical Probability What we expect to happen Can be proven How do we find the average of something? Total number of times an item is picked number of items we have