Captivity and plant collections

Question 1

What is the ultimate goal of Captive breeding?

Answer 1

to reunite the organism with its habitat.

Question 2

What is in-situ conservation?

Answer 2

IN ORIGINAL habitat

Question 3

What is ex-situ conservation?

Answer 3

AWAY from original habitat

Question 4

Why is captive breeding undertaken (2)?

Answer 4

1. Low POPULATION

2. HABITAT destroyed / degraded

Question 5

Why do species decline? (re: genetics)

Answer 5

• Inbreeding

Question 6

What are the 4 elements of Zoos?

Answer 6

1. Commercial business
2. Education
3. Captive breeding
4. Scientific knowledge

Question 7

What are the three benefits of ex-situ conservation?

Answer 7

• Additional RELEASE of individuals
• RESEARCH
• EDUCATION

Question 8

Why is in-situ conservation a better strategy? (3)

Answer 8

1. Allows natural EVOLUTIONARY change
2. Allows ADAPTABILITY to env. change
3. Some SPECIES are difficult to bred in captivity e.g. Rhino

Question 9

What are the benefits of ex-situ conservation? (3)

Answer 9

1. Additional RELEASE to maintain pops & genetic diversity
2. RESEARCH
3. EDUCATION

Question 10

What are the 6 limitations of ex-situ conservation?

PALGFS

Answer 10

1. Space limited POPULATION SIZE
2. ADAPTABILITY - can be reduced e.g. can’t deal with natural CONDITIONS e.g. food
3. LEARNING - can be lost e.g. Adults
4. GENE POOL
5. FINANCIAL CONTINUITY
6. STOCHASTIC EVENTS

Question 11

How many Botanical gardens are there worldwide?

Answer 11

1,500 with 15% of world flora