BIO LAB

Question 1

🌿 GRASSLAND
Definition:
Composed mainly of _______, _______, and _______ plants

Answer 1

GRASSES
SEDGES
HERBACEOUS PLANTS

Question 2

Grasslands in the Philippines

Answer 2

NATURAL GRASSLAND
SERAL GRASSLAND

Question 3

Occurs as a CLIMAX COMMUNITY in mountain areas

Influenced by:
Natural fire events
Low temperature
Low soil pH
Low soil nutrients
High wind velocity

Answer 3

NATURAL GRASSLAND

Question 4

Summit vegetation of MT. PULAG

Rolling areas of SABTANG ISLANDS in Batanes

Answer 4

NATURA GRASSLAND

Question 5

Occurs as a PIONEER COMMUNITY or FIRST SERAL SEQUENCE of tropical forest succession

Answer 5

SERAL GRASSLAND

Question 6

TYPES OF SERAL GRASSLAND

Answer 6

1B. 1° / PRIMARY Seral Grassland
2B. 2° / SECONDARY Seral Grassland

Question 7

Develops on NEWLY formed SURFACES

Answer 7

1B. 1° / PRIMARY Seral Grassland

Question 8

Develops AFTER a DISTURBANCE in forest areas

Answer 8

2B. 2° / SECONDARY Seral Grassland

Question 9

Mt. Halcon summit

Talahiban of Mount Apo

Grasslands of Masbate, Bohol, Misamis Oriental

Answer 9

2B. 2° / SECONDARY Seral Grassland

Question 10

Grasslands near Mount Pinatubo

Answer 10

1B. 1° / PRIMARY Seral Grassland

Question 11

provide the basic DISTINGUISHING FORM in grassland ecosystems.

Answer 11

PLANT COMMUNITIES

Question 12

IMPORTANCE OF PLANT COMMUNITIES

Answer 12

1.SPECIES CHARACTERISTICS
2. COMMUNITY CHARACTERISTICS

Question 13

Measure of species importance:

Answer 13

BIOMASS

Question 14

WEIGHT of living tissue, either per plant or per area

Answer 14

BIOMASS

Question 15

Surrogates for biomass:

Answer 15

DENSITY
FREQUENCY
COVER

Question 16

Number of INDIVIDUALS per AREA

Answer 16

DENSITY

Question 17

Proportion of PLOTS in which a species is FOUND

Answer 17

FREQUENCY

Question 18

Proportion of GROUND obscured by species’ above-ground tissues

Answer 18

COVER

Question 19

Preferred in GRASSLANDS as it reflects access to resources

Answer 19

COVER

Question 20

Overall community description:

Answer 20

BIOMASS
DENSITY OF PLANTS
OVERALL COVER

Question 21

Additional descriptors:

Answer 21

SPECIES LIST
PHYSIOGNOMY
SPECIES DIVERSITY

Question 22

List of all plant species in the community

Answer 22

SPECIES LIST

Question 23

Appearance, vertical and horizontal structure

Answer 23

PHYSIOGNOMY

Question 24

Species diversity is Defined by:

Answer 24

SPECIES RICHNESS
SPECIES EVENNESS

Question 25

Number of species

Answer 25

SPECIES RICHNESS

Question 26

Proportion of individuals

Answer 26

SPECIES EVENNESS

Question 27

Common indices OF species diversity

Answer 27

Shannon’s index Simpson’s index

Question 28

______ act as PRIMARY PRODUCERS : Harness solar energy for the ecosystem.

Answer 28

PLANTS

Question 29

Rate at which plants assimilate solar energy.

Answer 29

PRIMARY PRODUCTIVITY

Question 30

PP Expressed as:

Answer 30

Net primary productivity (NPP) = Gross primary productivity (GPP) − Respiration (R)

Question 31

Units OF PP

Answer 31

BIOMASS per unit AREA per unit TIME

Question 32

_________. Estimated using BIOMASS MEASUREMENTS via the _____ ____.

Answer 32

Above-ground net primary productivity (ANPP): HARVEST METHOD

Question 33

Biomass REFLECTS ______ energy converted by photosynthesis.

Answer 33

CHEMICA

Question 34

Measuring changes in biomass at different times → _____ of solar energy FIXATION.

Answer 34

RATE