Biodiversity

Question 1

Variety of life in our natural environment – from the smallest micro-organism to the largest mammals, including the ecosystems where they live – forests and mountains, rivers and seas.

Answer 1

Biodiversity

Question 2

Biodiversity is observed in various levels:

Answer 2

1. Ecological Diversity
2. Species Diversity
3. Genetic Diversity

Question 3

❑ Refers to the variation of different ecosystems in a specified area, location, or region.

Answer 3

. Ecological Diversity

Question 4

Higher variety of ecosystems =

Answer 4

High ecological diversity

Question 5

▪ Refers to the variation of found within the same species or between species.

▪ The genes are responsible for the uniqueness of every living organism

Answer 5

Genetic Diversity

Question 6

estimated that there are around _____ species of plants and animals in existence

Answer 6

8.7 million

Question 7

High genetic diversity =

Answer 7

=Wider range of characteristics

Question 8

▪ Refers to the variation of different organisms in an ecosystem.
▪ usually measured in terms of the total number of species
found in a particular area

Answer 8

Species Diversity

Question 9

High variation of species =

Answer 9

higher species diversity.

Question 10

the total number of different species in the
community

Answer 10

Species richness

Question 11

the proportion each species represents of the total individuals in the community

Answer 11

Species evenness or Relative abundance

Question 12

Species Diversity

Has two components

Answer 12

Species richness
Species evenness or Relative abundance

Question 13

Biodiversity heals

About ___ % of the world’s biodiversity
resources with medicinal values are in
forests.

Answer 13

80

Question 14

➢ Originally from South America,nintroduced in 1980 as a food source, especially to farmers.
➢ Population increased uncontrollably eventually becoming a crop pest (eats growing rice plants)

Answer 14

Golden Apple Snail

Question 15

o Native to Africa
o Introduced:1970s
o Known to displace many native
species of fishes
o Part of Filipino diet

Answer 15

Tilapia

Question 16

❖ Native to South America
❖ Competes with native plant species
❖ Decreases oxygen levels of water, affecting the aquatic organisms.
❖ Affects living and livelihood of
the residents in the nearby
areas.

Answer 16

Water Lilies

Question 17

▪ Native to Spain
▪ Introduced during the colonization of the Philippines by the Spaniards.
▪ Eats rice, nicknamed as “winged rat”

Answer 17

Eurasian Sparrow

Question 18

Contaminants that changes and damages the ecosystemcan lead to loss of habitat.

Answer 18

Pollution

Question 19

_______ , irresponsible human practices
contribute to biodiversity loss

Answer 19

As a problem

Question 20

_____________, humans have the knowledge, expertise and
financial resources to conserve biodiversity

Answer 20

As a solution

Question 21

species that are on the near
possibility of becoming extinct.

Answer 21

Endangered Species

Question 22

species that are on the near
possibility of becoming endanged.

Answer 22

Threatened Species

Question 23

▪ Only around 100 individuals are surviving
▪ Endangered due to:
1. Illegal trading
2. Loss of habitat
3. Hunting

Answer 23

Philippine Crocodile

Question 24

▪ Only around 400 adult individuals are
surviving
▪ Endangered due to:
1. Illegal trading
2. Loss of habitat
3. Loss of prey
4. Hunting

Answer 24

Philippine Eagle

Question 25

▪ No estimate on the remaining
population
▪ Endangered due to:
1. Loss of habitat
2. Hunting

Answer 25

Philippine Wild Pigs

Question 26

variety of organisms participate in many
interactions in the environment: food chain/food web, decomposition and increase of soil fertility.

Answer 26

Ecosystem Services

Question 27

organisms are conserved away from their
natural habitat.

Answer 27

Ex situ conservation

Question 28

organisms are conserved within their
natural habitat

Answer 28

In situ conservation