Ecology

What was the minimum prey needed to survive?

What was the minimum prey needed to survive?

25

Trial 1: Who is the predator? Who is the prey?

Students

Pasta

Trial 1: Did most predators survive?

No

Trial 1: What percentage of predators survived?

48%

Trial 1: What was the average prey collected?

24

Trial 2: Who is the predator and who is the prey?

Students

Pasta

Trial 2: Who was adapting?

Prey

Trial 2: What was the adaptation?

Camouflage

Different colored pasta

Trial 2: What colors were the pasta?

Red

Yellow

Green

Trial 2, True or False: It was hypothesized that green wouldn’t camouflage better in the grass.

False

Trial 2: Which adaptation of the prey hid the best?

Green

Trial 2: Which was the least successful prey adaptation?

Yellow

Trial 2: On average which prey adaptation was collected the most?

Yellow

Trial 2: What percent of the class survived?

40%

Trial 2: The next generation of prey is more likely to be…

Green

Trial 3: Who is the predator and prey?

Students

Pasta

Trial 3: Who adapted?

Predators

Trial 3: What were the adaptations?

Straws

Spoon

Tweezers

Knife

Trial 3: Out of the adaptions which was the most successful?

Spoons

Trial 3: How many predators survived with a spoon?

50%

Trial 3: Which adaptation(s) was/were the least successful?

Straw

tweezers

Trial 3: The next generation is more likely to have which adaptation?

Spoon

Trial 3: Which is more successful fingers or spoons?

Fingers

Trial 4: Who are the predators?

Hawk

Students

Trial 4: Who are the prey?

Students

Pasta

Trial 4: Who was the hawk after?

students

Trial 4: What was the survival rate of students?

8%

Trial 4: What was the survival rate for hawks?

100%

Trial 4: Is it safe to say that an additional prey lowers survival rate?

Yes

Trial 4: Majority of students died by…

Starvation

Is it possible for a predator to be too successful? Why?

Yes

They eat all the prey