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Grade 11 Lifescience > Biodiversity Of Animals > Flashcards

Biodiversity Of Animals Flashcards

1
Q

What is biodiversity?

A

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

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2
Q

True or False: Biodiversity only includes animal species.

A

False

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3
Q

Fill in the blank: The three levels of biodiversity are genetic, species, and _______.

A

ecosystem

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4
Q

What is the importance of genetic diversity?

A

Genetic diversity is crucial for the adaptability and survival of species.

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5
Q

Which term describes the number of different species in a given area?

A

Species richness

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6
Q

True or False: Endemic species are found only in one specific location.

A

True

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7
Q

What is an example of an ecosystem with high biodiversity?

A

Tropical rainforests

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8
Q

Multiple Choice: Which of the following contributes to biodiversity? A) Habitat destruction B) Climate change C) Conservation efforts D) All of the above

A

D) All of the above

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9
Q

What is the primary threat to biodiversity globally?

A

Habitat loss

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10
Q

Fill in the blank: The International Union for Conservation of Nature (IUCN) maintains a _______ list that assesses the conservation status of species.

A

Red

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11
Q

True or False: Biodiversity hotspots are regions that are both rich in species and threatened by human activities.

A

True

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12
Q

What is the role of keystone species in an ecosystem?

A

Keystone species play a critical role in maintaining the structure of an ecological community.

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13
Q

Multiple Choice: Which of the following is NOT a benefit of biodiversity? A) Ecosystem stability B) Increased disease susceptibility C) Economic benefits D) Cultural values

A

B) Increased disease susceptibility

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14
Q

What does the term ‘invasive species’ refer to?

A

Invasive species are non-native species that spread widely and can cause harm to ecosystems.

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15
Q

Fill in the blank: Biodiversity can be measured using indices such as the _______ index.

A

Shannon

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16
Q

True or False: Biodiversity is static and does not change over time.

A

False

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17
Q

What is the significance of the Convention on Biological Diversity (CBD)?

A

The CBD aims to conserve biological diversity, promote sustainable use, and ensure fair sharing of genetic resources.

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18
Q

Which type of ecosystem has the highest known biodiversity?

A

Coral reefs

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19
Q

Multiple Choice: Which of the following is a direct consequence of loss of biodiversity? A) Improved ecosystem services B) Increased resilience C) Decline in pollination services D) Enhanced food security

A

C) Decline in pollination services

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20
Q

What is an example of a mammal that is considered critically endangered?

A

Sumatran orangutan

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21
Q

Fill in the blank: _______ is a conservation strategy that focuses on protecting entire ecosystems.

A

Ecosystem-based management

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22
Q

True or False: Biodiversity can lead to greater ecosystem productivity.

A

True

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23
Q

What is the term for the variety of ecosystems within a given area?

A

Ecosystem diversity

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24
Q

Multiple Choice: Which of the following practices can help conserve biodiversity? A) Deforestation B) Overfishing C) Sustainable agriculture D) Urban sprawl

A

C) Sustainable agriculture

25
Q

What is the role of pollinators in biodiversity?

A

Pollinators facilitate the reproduction of many plants, contributing to plant diversity.

26
Q

Fill in the blank: The extinction of a _______ species can lead to significant changes in an ecosystem.

A

keystone

27
Q

True or False: Biodiversity loss is irreversible.

A

True

28
Q

What is the main goal of conservation biology?

A

To study and protect biodiversity and ecosystems.

29
Q

What does ‘biogeography’ study?

A

Biogeography studies the distribution of species and ecosystems in geographic space and through geological time.

30
Q

Multiple Choice: The main cause of species extinction today is: A) Natural disasters B) Climate change C) Human activity D) Evolution

A

C) Human activity

31
Q

What is the significance of protected areas in biodiversity conservation?

A

Protected areas safeguard habitats and species from development and degradation.

32
Q

Fill in the blank: The _______ is a measure of the biodiversity of a specific area based on the number of species present.

A

species richness

33
Q

True or False: Biodiversity contributes to cultural identity and heritage.

A

True

34
Q

What is the impact of climate change on biodiversity?

A

Climate change can alter habitats, affect species distributions, and lead to extinction.

35
Q

Multiple Choice: Which of the following is a method of conserving biodiversity? A) Habitat restoration B) Pollution control C) Legal protection of species D) All of the above

A

D) All of the above

36
Q

What is an example of a benefit provided by wetlands?

A

Wetlands provide flood control and water purification.

37
Q

Fill in the blank: The _______ of an ecosystem refers to the variety of different species present.

A

biodiversity

38
Q

True or False: Urbanization has no effect on biodiversity.

A

False

39
Q

What is the concept of ‘sustainable development’?

A

Sustainable development meets the needs of the present without compromising the ability of future generations to meet their own needs.

40
Q

Multiple Choice: Which of the following is a characteristic of biodiversity hotspots? A) High species richness B) High endemism C) Significant threats to habitat D) All of the above

A

D) All of the above

41
Q

What is the role of zoos in biodiversity conservation?

A

Zoos participate in breeding programs and education to help conserve endangered species.

42
Q

Fill in the blank: The _______ is an international agreement aimed at promoting sustainable use of biodiversity.

A

Convention on Biological Diversity

43
Q

True or False: Biodiversity is only important for ecological reasons.

A

False

44
Q

What is the significance of the term ‘ecosystem services’?

A

Ecosystem services are the benefits humans derive from ecosystems, including clean air, water, and food.

45
Q

Multiple Choice: Which of the following is a consequence of invasive species? A) Increased biodiversity B) Decreased native species C) Improved ecosystem health D) None of the above

A

B) Decreased native species

46
Q

What is the main focus of restoration ecology?

A

Restoration ecology aims to restore degraded ecosystems to their natural state.

47
Q

Fill in the blank: _______ species are those that have been introduced to a new habitat and have a negative impact.

A

Invasive

48
Q

True or False: Biodiversity is essential for human well-being.

A

True

49
Q

What is the role of the World Wildlife Fund (WWF) in biodiversity conservation?

A

The WWF focuses on protecting endangered species and their habitats globally.

50
Q

Multiple Choice: Which of the following is a major cause of habitat destruction? A) Urban development B) Agriculture C) Logging D) All of the above

A

D) All of the above

51
Q

What is biophilia?

A

Biophilia is the innate affinity humans have for nature and living systems.

52
Q

Fill in the blank: The _______ index is used to assess the health of an ecosystem based on species diversity.

A

Simpson

53
Q

True or False: Biodiversity can enhance ecosystem resilience to environmental changes.

A

True

54
Q

What is the concept of ‘ecosystem management’?

A

Ecosystem management is an approach to managing natural resources that considers ecological, social, and economic factors.

55
Q

Multiple Choice: Which of the following practices can harm biodiversity? A) Overfishing B) Sustainable forestry C) Habitat restoration D) Conservation

A

A) Overfishing

56
Q

What is the relationship between biodiversity and climate change?

A

Biodiversity can mitigate climate change effects, while climate change can threaten biodiversity.

57
Q

Fill in the blank: The loss of biodiversity can lead to a decrease in _______ services.

A

ecosystem

58
Q

True or False: Biodiversity loss is a problem that affects only certain regions of the world.

A

False

Grade 11 Lifescience (5 decks)

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