Primates. Flashcards

1
Q

What is the scientific name for the mona monkey?

A

Cercopithecus mona

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2
Q

When did the mona monkey arrive in Grenada?

A

In the 1700s.

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3
Q

What is likely to have caused the extinction of the endemic Grenada parrot?

A

The mona monkey.

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4
Q

What are the characteristics of the mona monkey?

A

Beard, whiskers, long tail, colorful, roundish face.

White ear tufts ,chestnut back, black legs and outer arms.

White chest and inner arms.

Tail is black on the outer side and grey underneath.

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5
Q

How much do male mona monkeys weigh?

A

56 lbs.

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6
Q

Where does the mona monkey like to live?

A

Prefers forested higher elevations.

Arboreal animal found in rainforest trees as well as mangroves.

Rarely in agricultural land but, raiding crops increases as their habitat decreases.

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7
Q

How does the mona monkey reproduce?

A

Females may mate with only one male every 2 years.

Gestation is 5 – 6 months; typically produce 1 young and wean at 1 year of age.

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8
Q

What is the average lifetime of the mona monkey?

A

Lifespan about 30 years.

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9
Q

Is the mona monkey diurnal or nocturnal?

A

Diurnal.

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10
Q

How do the mona monkeys live?

A

Large communal groups of up to 50 monkeys usually 1 male or only a few males per group.

Use a variety of calls to establish and defend territory and call mates etc.

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11
Q

What is the diet of the mona monkey?

A

Omnivorous.

Fruits, insects, leaves, birds and bird eggs.

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12
Q

What are the main differences between mona monkeys in Grenada and mona monkeys in Africa?

A

Mona monkeys introduced to Grenada have poorer muscle tone and are less healthy than Mona monkeys in Africa.

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13
Q

What economic factors does the mona monkey influence?

A

Have been used for the pet trade.

In Grenada–ecotourism draw—positive.

Raiding crops–negative.

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14
Q

What are the characteristics of a keystone exotic?

A

Species capable of restructuring almost complete ecosystems that they are introduced to.

These species have distinct physical and behavioral characteristics that are new to island flora and fauna.

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15
Q

Which keystone exotic species are on Grenada?

A

Mona monkey, Burmese mongoose, humans, and likely Rattus rattus.

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16
Q

What is carrying capacity?

A

For a region, carrying capacity is the maximum number of individuals of a species that an area’s resources can sustain indefinitely.

17
Q

What is carrying capacity in human terms?

A

The definition is expanded to include not degrading our cultural and social environments and not harming the physical environment in ways that would adversely affect future generations.

18
Q

What is the family for humans?

A

Hominidae.

19
Q

What is the human population?

A

Over 7 billion.

20
Q

Which species of mammal tend to significantly alter the landscape that they live in?

A

Humans.

21
Q

What is the average lifespan of humans?

A

50 - 80 years.

22
Q

What is the oldest known human?

A

122 years.

23
Q

What is the gestation period of a human?

A

40 weeks.

24
Q

Which mammal is top of the food chain?

A

Humans.

25
Q

Which species of mammal has a population that grows exponentially while food grows arithmetically?

A

Humans.

26
Q

Can humans manipulate the carrying capacity of the area that they live in?

A

Yes.

27
Q

How many humans are being added to the world every day?

A

200,000 individuals are being added to the world’s population every day…1.4 million per week, 78 million per year.

28
Q

How can humans manipulate the carrying capacity of the area that they live in?

A

Through advanced technology.

Improved medical knowledge and medical practices.

Displacement of other species.

29
Q

Which human activities affect the landscape?

A

Deforestation, overgrazing, and poor agriculture practices. Causes erosion.

Pesticides, pollutants, and sewage dumped into aquatic systems is effectively reducing fresh water supplies and destroying riparian ecosystems.

30
Q

How do humans change an area?

A

Natural ecosystems are being replaced by farmland and urban sprawl.

Components of ecosystems (especially aquatic) are heavily exploited and polluted.

31
Q

How do humans moving into an area affect the local wildlife?

A

At the same time animals and plants are much less able to shift their geographic ranges because they are constrained by development.

32
Q

What does theU.S. Census Bureau estimate that the human species will increase to in 2050?

A

9 billion.

33
Q

How have humans most impacted island ecosystems?

A

Importing animals / plants.

Hunting / harvesting of animals.

Introduced diseases.