biodiversity and the healthy society

Question 1

vertebrates fell to ?? % from the 1970s due to human causes

Answer 1

60%

Question 2

?? reported an annual decrease in wildlife by 2%

Answer 2

World Wide Fund for Nature and Zoological Society of London

Question 3

major cause of annual decrease in wildlife

Answer 3

human population doubled in number since 1960 to 7.4 billion

Question 4

general director of WWF International

Answer 4

Marco Lambertini

Question 5

it is described as the disappearance of species at a rate of 1,000 faster than usual.

Answer 5

mass extinction

Question 7

it is defined as the vast variety of life forms in the entire Earth

Answer 7

biodiversity

Question 8

it is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part

Answer 8

biodiversity

Question 9

it is the source of the essential goods and ecological services that constitute the source of life for all and it has direct consumptive value in food, agriculture, medicine, and in industry

Answer 9

biodiversity

Question 10

what approach is needed to study the ecosystem

Answer 10

interdisciplinary approach

Question 11

it ensures a better survival rate against any natural disaster

Answer 11

sustainability

Question 12

major contributing factor is the inhabitation of human beings and the use of land for economic gains

Answer 12

habitat loss and destruction

Question 13

threats to biodiversity

Answer 13

habitat loss and destruction
alterations in ecosystem composition
over-exploitation
pollution and contamination
global climate change

Question 14

sudden changes in either within species groups or witin the environment, could begin to change entire ecosystems

Answer 14

alterations in ecosystem composition

Question 15

over-hunting, overfishing, or over-collecting of species can quickly lead to its decline

Answer 15

over-exploitation

Question 16

biological systems respond slowly to changes in their surrounding environment. it cause irreversible damage to species and varieties

Answer 16

pollution and contamination

Question 17

species and populations may be lost permanently if they are not provided with enough time to adapt to changing climatic conditions

Answer 17

global climate change

Question 18

the basic conceot about biodiversity loss was from ?

Answer 18

charles darwin and alfred russel wallace

Question 19

lack of ?? is a significant cause of human mortality

Answer 19

basic necessities

Question 20

it increase the risk of cancer, heart disease, asthma, and many other illnesses

Answer 20

environmental hazards

Question 21

a group with an increased susceptibility to the adverse effects of an environmental risk factor, due to their age, genetics, health status, or some other condition.

Answer 21

vulnerable subpopulation