Biodiversity (Science)

Question 1

the existence of marine invertebrates;
the development of marine life.

Answer 1

Paleozoic era (prehistoric life)

Question 2

the existence of warm-blooded animals and humans

Answer 2

Cenozoic era (recent life)

Question 3

the existence of largest creatures.

Answer 3

Mesozoic era (middle life)

Question 4

extinction happens when a massive asteroid or meteor hits the surface of the earth.

Answer 4

Meteoric impact/Cosmic radiation

Question 5

D = ∑n(n-1) / n(n-1)

Answer 5

Simpson’s Index

Question 6

It can change the abundance of diversity or the food web in an ecosystem by destroying and replacing its natural value and number

Answer 6

The spread of Invasive species

Question 7

is a result of air pollution.

Answer 7

Acid precipitation-

Question 8

the term used to describe the number and variety of life found on Earth. Biodiversity has three types: genetic, species, and ecosystem.

Answer 8

Biodiversity

Question 9

Pertains/related to the variety and abundance of species within a region.

Answer 9

Species diversity

Question 10

is a timetable of the earth’s history

Answer 10

Geologic timescale

Question 11

Pertains/related to the variation of genes within species.

Answer 11

Genetic diversity

Question 12

It is the size of a biological species that can be sustained in a specific environment, given all the available
resources.

Answer 12

carrying capacity

Question 13

infectious diseases or virulent infectious diseases cause the change in biological populations.

Answer 13

Diseases/Epidemic

Question 14

is a scale of the diversity of plant and animal species in a
given area. It is a widely used tool for estimating the complexity, stability, and thus
general health of an ecosystem

Answer 14

Biodiversity Index

Question 15

is the variation among groups of organisms in different
physical settings.

Answer 15

Ecosystem diversity

Question 16

When the number of species decreases in size, and only a few remain, that species is considered as

Answer 16

Endangered

Question 17

It is expressed with the equation of:
Total # of different Species/Total # of Living Items

Answer 17

Biodiversity Index

Question 18

Increasing the number of population
size that an area can support is called

Answer 18

carrying capacity

Question 19

are usually described as lack of particular resources like the availability of food, water, and space. Some of the other reasons are predation, diseases, and migration

Answer 19

Limiting factors

Question 20

Man-Made Causes of Species Extinction

Answer 20

Deforestation, Pollution and Destruction of Coastal Resources