Chapter 12

Question 1

multitude of living organisms and how they interact with each other and their environment

Answer 1

Biodiversity

Question 2

unit of heredity

Answer 2

Gene

Question 3

group of interbreeding organisms with the same structures

Answer 3

Species

Question 4

the physical environment to which a species has become adapted as well as its role as producer and consumer of food resources

Answer 4

Niche

Question 5

the area where an organism lives

Question 6

formation of new organism

Answer 6

Speciation

Question 7

the total disappearance of a species

Answer 7

Extinction

Question 8

is the variety of life. It is the contraction of two words biological diversity

Answer 8

Biodiversity

Question 9

Three components of Biodiversity

Answer 9

Genetic
Species
Ecological

Question 10

refers to variation or differences in the genes of a species of individuals.

Answer 10

Genetic Diversity

Question 11

Are segments of DNA which dictate the traits or characteristics of an organism.

Answer 11

Genes

Question 12

Is the Is diversity of number of species. Involves a combination of species number and and their relative abundance in a particular area.

Answer 12

Species Diversity

Question 13

Refers to a variety of ecosystems in a given region

Answer 13

Ecological Diversity

Question 14

It is the source of our food,clothing,shelter, and medicines.

Answer 14

Biodiversity

Question 15

The two fundamental sciences. generates knowledge and information to fully understand the importance of biodiversity for human survival.

Answer 15

Taxonomy and Ecology

Question 16

Loss of biodiversity can be the worst end result of numerous anthropogenic activities. These activities include urbanization, construction, agricultural land development, logging, river damming and use of pesticides, herbicides and fertilizers.

Answer 16

Habitat Destruction

Question 17

is a condition in which there is an unnatural increase in the concentrations of naturally-occurring environmental compounds such as heavy metals, radionuclides, nitrates, phosphates, cyanides, agricultural wastes, sewage, pathogens, gases, particulates and many more.

Answer 17

Pollution

Question 18

includes exotic micro- and macro- species introduced accidentally or deliberately, to a place that is not part of their natural habitat or distributional range. Their introduction to the local community could become a threat to other organisms as they become invasive especially if they have an ecological niche similar with the native ones

Answer 18

Non-native species or Invasive Alien Species

Question 19

The gradual increase in the world’s temperature

Answer 19

Global Climate Change

Question 20

Any form of abuse to flora and fauna threatens biological diversity

Answer 20

Exploitation

Question 21

Poses the greatest threat to biodiversity. the demand for all human needs and wants also increase

Answer 21

Overpopulation

Question 22

Strategies to conserve biodiversity need realistic solution and will need to involve a multidisciplinary strategies including political, socioeconomic and scientific input.

Answer 22

Conserving Biodiversity

Question 23

These laws never forget preserving the wellness and the betterment of the Philippine nature

Answer 23

Government Legislation

Question 24

Techniques in Conserving Biodiversity

Answer 24

1. Cell and Tissue culture
2. Cryopreservation
3. Advances in molecular biology and genetics

Question 25

Allow the propagation/multiplication of organisms at a rapid pace.

Answer 25

Cell and Tissue Culture

Question 26

Is a non-lethal storage of organelles, cells, tissues or bone biological constructs at ultra low temperature.
*Germplasm

Answer 26

Cryopreservation technology

Question 27

Have taken a stronghold in analyzing individual strains of an organism, identify species and predict future phenotypes.

Answer 27

Advances in molecular biology and genetics

Question 28

is how the genetic composition of species changes over time

*May be Micro or Macro

Answer 28

Evolution