Biodiversity and Evolution

1. Which pertains to the largest number of individuals in a species that an environment sustains for a long period of time?

• Biodiversity

• Limiting factor

• Carrying capacity

• Population density

Tags

NGSS.MS-LS2-4

2. . Which refers to species of organisms whose population is so low that it has a great tendency to become extinct?

• Endangered

• Endemic

• Exotic

• Threatened

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

3. Which is the process of introducing unnatural chemicals that contaminate the air, soil, and seas?

• Acidification

• Eutrophication

• Neutralization

• Pollution

4. . The amount of sunlight in a forest ecosystem determines the kind and population of plants and trees that could thrive and survive to maintain balance in the said ecosystem. Which refers to the “amount of sunlight” as mentioned above?

• biodiversity

• limiting factor

• carrying capacity

• population density

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is NOT a cause of deforestation?

• typhoons

• soil erosion

• kaingin system

• conversion of forests to agricultural lands

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

6. Which one of the following expresses the index of diversity in a mathematical way?

• The vastness or area of an ecosystem

• The species distribution in a community

• The distance between two different ecosystems

• The population of a given species per unit area

7. Which is the correct formula for calculating population density?

• D = population/area

• D = population x area

• D = number of runs/total population

• D = number of runs x total population

8. Which pertains to organisms that no longer exist at the present time, but have existed in the past?

• A. Exotic

• B. Extinct

• C. Endemic

• D. Endangered

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

9. Which pertains to the process of introducing unnatural chemicals that contaminate the air, soil, and seas?

• Pollution

• Acidification

• Eutrophication

• Neutralization

Tags

NGSS.MS-ESS3-3

10. Which of the following causes of extinction is directly brought about by human activity?

• A. Glaciation

• B. Overharvesting

• C. Cosmic radiation

• D. Volcanic eruption

Tags

NGSS.MS-ESS3-4