05. Measuring and maintaining biodiveristy

Question 1

Explain the greenhouse effect

Answer 1

The atmosphere allows incoming solar radiation to reach the Earth’s surface, but greenhouse gasses absorb radiation re-emitted as heat, trapping it in the atmosphere and causing the temperature to rise

Question 2

What is an ocean dead zone?

Answer 2

Areas in the ocean of such low oxygen concentration that animal life suffocates and dies

Question 3

Overexploitation

Answer 3

harvesting species from the wild at rates faster than natural populations can recover. Example: overfishing/overhunting

Question 4

Why are amphibians considered early indicators?

Answer 4

-they tolerate a narrow range of environmental conditions (very sensitive to environmental disruption)

Question 5

What is conversation biology?

Answer 5

the management of nature and of Earth’s biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions.

Question 6

What is citizen science?

Answer 6

research collaborations between scientists and volunteers, to expand opportunities for scientific data collection