Lesson 2

Question 1

it is described as interdependent organisms and the environment that they
inhabit and depend on

Answer 1

ecosystem

Question 2

it is described as organisms and their environment

Answer 2

ecosystem

Question 3

it is described as a locale or habitat that is an integrated whole or unit

Answer 3

ecosystem

Question 4

it is described as a natural system where there is “constant interchange”
among its living and nonliving parts that functions as a unit

Answer 4

ecosystem

Question 5

what are the twocomponents of ecosystem?

Answer 5

1. the living (biotic)
2. the non-living (abiotic)

Question 6

what comprises the living components (biotic factor) in an ecosystem?

Answer 6

1. producers (green plants)
2. consumers (herbivores and carnivores)
3. decomposers (fungi and bacteria)

Question 7

these are able to manufacture food from simple inorganic substances

Answer 7

producers/green plants

Question 8

these are those that ingest other organisms

Answer 8

consumers/herbivores and carnivores

Question 9

what is the other term for decomposers?

Answer 9

saprotrophs

Question 10

these are the chemical and physical factors of the environment

Answer 10

non-living components (abiotic factors)

Question 11

examples of abiotic factors

Answer 11

1. light
2. temp.
3. wind
4. water
5. chemical nutrients
6. pH (acidity)
7. salinity

Question 12

these are described as aquatic habitats

Answer 12

aquatic ecosystems

Question 13

this implies an environment of water that supports a variety of organisms

Answer 13

aquatic ecosystems

Question 14

4 things that aquatic habitats have

Answer 14

1. water
2. aquatic plants
3. motile organisms
4. sessile organisms

Question 15

this affords flotation, offers greater support than air, and provides locomotion

Answer 15

water

Question 16

these do not need lots of fibrous materials or stiffening structures for support

Answer 16

aquatic plants

Question 17

these are characterized by movement to feed and reproduce

Answer 17

motile organisms or species

Question 18

these are species that are immobile or fixed in place and have their food delivered to them

Answer 18

sessile organisms

Question 20

how long is the coastine of the Philipppines?

Answer 20

36,298 km

Question 21

how large is the coverage of the marine waters in the Philippines?

Answer 21

220 million hectares

Question 22

coverage for coastal waters

Answer 22

26.6 million hectares

Question 23

coverage for oceanic water

Answer 23

193.4 million hectares

Question 24

coverage for inland waters

Answer 24

840,000 hectares

Question 25

how any species of marine plants and animals are found in Philippine coastal and marine habitats?

Answer 25

4,951

Question 26

how many municipalities in the Philippines are coastal?

Answer 26

822/1,502

Question 27

percentage of the population that resides in the coastal zone

Answer 27

62%

Question 28

these are the coastal habitats in the country

Answer 28

1. land 2. mangrove 3. beaces 4. tidal flats 5. seagrass beds 6. coral reefs 7. open sea

Question 29

these are a diverse group of trees and shrubs that thrive in coastal intertidal zones

Answer 29

mangroves

Question 30

these thrives in areas with low-oxygen soil and slow-moving waters

Answer 30

mangroves

Question 31

what are some of the adaptations of mangroves?

Answer 31

1. cone-shaped roots 2. prop/stilt roots 3. pencil-like roots 4. succulent leaf 5. propagules

Question 32

these belonged to the only group or submerged flowering plants

Answer 32

seagrasses

Question 33

these fish species spend their whole life in seagrass beds, where they spawn, protect their eggs and mature

Answer 33

danggit and sea cow

Question 34

these are the rainforests of the sea

Answer 34

coral reefs

Question 35

built up entirely by biological processes and activities

Answer 35

coral reefs

Question 36

biologically rich shallow water ecosystems on earth are highly threatened

Answer 36

coral reefs

Question 37

types of corals based on coral growth form

Answer 37

1. soft 2. encrusting 3. plate 4. branching 5. foliaceous

Question 38

examples of soft corals

Answer 38

1. lobophytum sp. 2. sarcophyton sp.

Question 39

examples of encrusting corals

Answer 39

1. goniastrea sp. 2. hydnophora sp.

Question 40

example of plate corals

Answer 40

1. acropora sp.

Question 41

examples of branching corals

Answer 41

1. acropora sp.

Question 42

examples of foliaceous corals

Answer 42

1. turbinaria sp. 2. pavona sp.

Question 43

5 examples of remarkable types of corals

Answer 43

1. bubble coral 2. vase coral 3. finger coral 4. sun coral 5. leaf coral

Question 44

tiny algae

Answer 44

zooxanthellae

Question 45

all corals belong to this class

Answer 45

anthozoa

Question 46

class of stony corals

Answer 46

hexacorallia

Question 47

class of soft corals

Answer 47

octocorallia