Question

Match each species to its story of overexploitation.

a. Dodo
b. Canadian cod
c. Rothschild's orchid
d. Whales
e. Passenger pigeon

1. Multiple species were almost wiped out, but are slowly recovering after a moratorium on hunting them.
2. Once the most populous species of its kind in North America, these were hunted to extinction by 1901.
3. When sailors stocked its island with pigs, the pigs destroyed this species' ability to reproduce.
4. This species was almost wiped out by collectors who prized its rarity.
5. Once a major resource in Canada, the population crashed in the 1990s. Recovery is slow because they cannot reproduce until age 7.

Answer 1

Answer:

Explanation:

Dodo- When sailors stocked its island with pigs, the pigs destroyed this species' ability to reproduce.

Canadian cod- Once a major resource in Canada, the population crashed in the 1900s. Recovery is slow because they cannot reproduce until age 7.

Rothschild's orchid-This species was almost wiped out by collectors who prized its rarity

Whales- Multiple species were almost wiped out, but are slowly recovering after a moratorium on hunting them.

Passenger pigeon- Once the most populous species of its kind in North America, these were hunted to extinction by 1901.

Answer 2

Overharvesting and using natural reservoirs including plants and animals, when their breeding rate is declining, is called overexploitation.

The correct matches are:

A. Dodo- Option 3. When sailors stocked its island with pigs, the pigs destroyed this species' ability to reproduce.

• The influx of new animals in their territory and habitat destruction was the cause of the extirpation of the Dodo bird.

B. Canadian cod- Option 5. Once a major resource in Canada, the population crashed in the 1900s. Recovery is slow because they cannot reproduce until age 7.

• They are now threatened species because of overfishing. Their breeding rate is also slow making them endangered species.

C. Rothschild's orchid - Option 4. This species was almost wiped out by collectors who prized its rarity.

• The area in which the plant species thrives is now cleared and the plants are wiped out by collectors.

D. Whales- Option 1. Multiple species were almost wiped out, but are slowly recovering after a moratorium on hunting them.

• Pollution, contamination and over whaling has led this variety to the verge of endangerment.

E. Passenger pigeon- Option 2. Once the most populous species of its kind in North America, these were hunted to extinction by 1901.

• Their habitat loss and overexploitation for their meat are the main causes for which they went obsolete.

To learn more about overexploitation follow the link:

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