Natural Selections Practice

In this population of salmon, the salmon with longer back tails swim faster than other members of their population with shorter tails. Bears love salmon. Faster salmon escape bears. Salmon who get passed the bears lay their eggs farther upstream. Which population of salmon WILL survive?

In this population of salmon, the salmon with longer back tails swim faster than other members of their population with shorter tails. Bears love salmon. Faster salmon escape bears. Salmon who get passed the bears lay their eggs farther upstream. Which population will NOT survive?

In this population of salmon, the salmon with longer back tails swim faster than other members of their population with shorter tails. Bears love salmon. Faster salmon escape bears. Salmon who get passed the bears lay their eggs farther upstream. What are the salmon's VARIATION?

In this population of salmon, the salmon with longer back tails swim faster than other members of their population with shorter tails. Bears love salmon. Faster salmon escape bears. Salmon who get passed the bears lay their eggs farther upstream. The Salmon who survive have which favorable trait?

Fish lay eggs. Frogs eat the eggs. Some will survive to grow into salmon. This is an example of:

In this population of salmon, the salmon with longer back tails swim faster than other members of their population with shorter tails. Bears love salmon. Faster salmon escape bears. Salmon who get passed the bears lay their eggs farther upstream. The fish population will change over time. You will see more of the fish who survive. You will find more