2.3 Pop Eco

Question 1

What are the characteristics of r -selected animals?

Answer 1

1. # of offspring- high
2. Parental care- low
3. reproductive maturity- early
4. size of offspring- small
5. independent at birth- early
6. ability to learn- low
7. Lifespan- short
8. Early Mortality- high

Question 2

What are the characteristics of K-selected animals?

Answer 2

1. # of offspring- low
2. Parental care- high
3. reproductive maturity- late
4. size of offspring- large
5. independent at birth- late
6. ability to learn- high
7. Lifespan- long
8. Early Mortality- low

Question 3

Examples of r-selected animals?

Answer 3

• Mice
• Rabbits
• Fish

Question 4

Examples of K-selected animals?

Answer 4

-Elephants
-Humans
-Bison

Question 5

What is Type 1 survivor ship curve?

Answer 5

Type 1 animals put effort into parenting and have more quality rather than quantity.

Question 6

What is Type 3 survivor ship curve?

Answer 6

Type 3 animals put less effort into parenting and have more quantity rather than quality.

Question 7

What is Type 2 survivor ship curve?

Answer 7

Type 2 animals are in between Type 1 and 3. They give an even amount of parenting.

Question 8

How is a survivor ship curve set up?

Answer 8

The x axis is the stages and the y axis is the percent.

Question 9

What animals fit type 1 survivor ship curve?

Answer 9

-Humans
-Elephants
-Hippos

Question 10

What animals fit type 2 survivor ship curve?

Answer 10

-lizards
-perching birds
-rodents

Question 11

What animals fit type 3 survivor ship curve?

Answer 11

-trees
-most fish

Question 12

What does it mean to be r selected?

Answer 12

It’s quantity. There are more animals in the species but they don’t live long and aren’t parented as much.