Environmental Science

Question 1

________ _______ incorporates the study of the physical, chemical and biological processes that takes place on Earth, as well as the social, political and cultural processes which impact the planet.

Answer 1

Environmental Science

Question 2

It is the study of the interaction or relationship between organisms and their environment.

Answer 2

Ecosystem

Question 3

2 Components of Ecosystem

Answer 3

Biotic and Abiotic

Question 4

These are the living components of an ecosystem. Plants, animals, as well as fungi and bacteria, are some of the factors that are included here.

Answer 4

Biotic

Question 5

3 Components of Biotic Ecosystem

Answer 5

Producers (Autotrophs)
Consumers (Heterotrophs)
Decomposers (Detritivores)

Question 6

Ecological factors or the physical and/or the chemical factors that act on the living organisms at any part of their life.

Answer 6

Abiotic

Question 7

5 Factors of Abiotic Ecosystem

Answer 7

Soil
Water
Light
Temperature
Wind

Question 8

_______ is one of the significant abiotic factors of the ecosystem.

Answer 8

Soil

Question 9

5 Horizons of Soil Profile

Answer 9

O, A, E, B, C

Question 10

It is an important ecological factor. It comprises a large percentage of the tissues of organisms.

Answer 10

Water

Question 11

3 Main Types of Plants

Answer 11

Hydrophytes - waterlogged - waterlily
Halophytes - saline - mangrove
Xeropyhtes - dry - cactus

Question 12

2 Pathways of Energy

Answer 12

Autotrophy - produce their own food
Heterotrophy - eat other organisms

Question 13

_____ ______ consists of the sequence of organisms that eat other organisms through which energy is transferred.

Answer 13

Food Chain

Question 14

4 Feeding Levels of Food Chain

Answer 14

Producers
Primary consumers
Secondary consumers
Tertiary consumers

Question 15

____ ____ consists of several interlocking food chains. It is a more complex pattern of energy

Answer 15

Food Web

Question 16

________ refers to the ability of living organisms to accumulate certain chemicals to a concentration larger than that occurring in their inorganic, non-living environment, or the case of animals, in the food that they eat

Answer 16

Biomagnification or Bioaccumulation

Question 17

________ is a chemical used for killing insects.

Answer 17

DDT or Dichlorodiphenyltrichloroethane

Question 18

3 Causes and Effects of Biological Magnification

Answer 18

1. Impacts on human health
2. Effects on reproduction and development of marine creatures
3. Disruption of food chain

Question 19

________ shows the amount of energy at each trophic level.

Answer 19

Energy Pyramid

Question 20

______ refers to the amount of living tissues

Answer 20

Biomass

Question 21

2 Classification of Nutrients

Answer 21

Micronutrients
Macronutrients

Question 22

5 Components of Macronutrients

Answer 22

Carbon
Nitrogen
Oxygen and Hydrogen
Phosphorus
Sulfur

Question 23

It is a process whereby nutrient runoff causes the overgrowth of algae, the depletion of oxygen, andthe death of aquatic fauna.

Answer 23

Eutrophication

Question 24

4 Factors that Contribute to Overpopulation

Answer 24

1. Improvement in medicine, nutrition, and sanitation
2. Agricultural revolution
3. Industrial revolution
4. Economic and social development

Question 25

5 Main Effects of Overpopulation

Answer 25

1. Depletion of Natural Resources 2. Degradation of Environment 3. Conflicts and Wars 4. Rise in Unemployment 5. High Cost of Living

Question 26

_______ is the biotic part of an ecosystem, which includes the producers, consumers, and decomposers.

Answer 26

Community

Question 27

5 Characteristics of a Community

Answer 27

Dominance Ecological Niche Structure Diversity Stability

Question 28

It is a characteristic of a community where it possess the highest biomass, occupy the most space, make the largest contribution to the flow of energy and cycling of materials and exert control or influence over the other organisms in the community.

Answer 28

Dominance

Question 29

Charles Elton, an English ecologist, considered _________ ______ as the fundamental role of the organism in the community.

Answer 29

Ecological Niche

Question 30

It is a characteristic of a community where this refers to the stratification into layers of community.

Answer 30

Structure

Question 31

4 Layers of Forest Community

Answer 31

Canopy Understory Herbaceous Forest Floor

Question 32

3 Lake Stratification Layers

Answer 32

Littorral Limnetic Profundal

Question 33

5 Ocean Stratification Layers

Answer 33

Epipelagic Mesopelagic Bathypelagic Abyssopelagic Hadalpelagic

Question 34

_____ _________ refers to the total number of species in a community.

Answer 34

Species Diversity

Question 35

________ ___________ is one having a large variety of organisms.

Answer 35

Diverse Community

Question 36

_________ is an area with high species diversity between two ecosystems

Answer 36

Ecotone

Question 37

________ refers to the ability of the community to maintain its normal conditions despite changes in the conditions of the environment.

Answer 37

Stability

Question 38

2 Types of Stability

Answer 38

Resistance Stability Resilience Stability

Question 39

The orderly change in the organisms that inhabit the area is called _________.

Answer 39

Succession

Question 40

2 Main Types of Succession

Answer 40

Primary Secondary

Question 41

Large ecosystems in different parts of the world resemble each other. These large ecosystems occurring in major land regions are called ______.

Answer 41

Biomes

Question 42

6 Types of Biomes

Answer 42

Desert B Tundra B Coniferous Forest B Tropical Rainforest B Grassland B Deciduous B