Which of the following is not correct regarding vulnerability data of different groups?

(1) Birds-12 per cent

(2) Mammals- 23 per cent

(3) Amphibians- 27 per cent

(4) Gymnosperms- 31 per cent

(1) Large scale of loss of species have happened earlier even before humans appeared on Earth

(2) Large scale of loss of species have happened earlier within 1000 years of human evolution

(3) Large scale of loss of species have happened earlier just after humans appeared on Earth

(4) Large scale of loss of species have happened within 100 years of human evolution.

(1) 5th

(2) 6th

(3) 4th

(4) 7th

(1) a- more than three billion years

(2) a- more than 4.5 billion years

(3) b- six extinctions

(4) Both A and C

1. Difference in the rates

2. Current rate is 100-1000 times faster than previous episodes

3. Human intrusions

4. Extinction of special bird species

(1) Nearly half of all the species on Earth can be wiped out within the next 100 years

(2) Nearly one fourth of all the species on Earth can be wiped out within 200 years

(3) Nearly one eighth of all the species on Earth can be wiped out within 100 years

(4) Nearly one third of all the species on Earth can be wiped out within 200 years

(1) Decline in plant production

(2) Lowered resistance to environmental perturbations such as drought

(3) Increased variability in certain ecosystem processes such as Plant Productivity

(4) Decreased variability in certain ecosystem processes such as pest and disease cycle

(1) Habitat loss and Fragmentation

(2) Dosage compensation

(3) Alien Species Invasions

(4) Co-extinctions

(1) Habitat loss and Fragmentation

(2) Over-Exploitation

(3) Alien Species Invasions

(4) Co-extinctions

(1) Tropical Rain forest

(2) Temperate Deciduous forest

(3) Temperate Evergreen forest

(4) Grasslands