Earth and life science 11 q1

2. PRETEST: Let us check what you already know about the lesson today.
Analyze the statement carefully and choose the letter of the correct
answer.
1.It refers to the internal balance that a cell maintains with its external
environment.
a. Homeostasis
c. Diurnal
2.The term used for the one-celled
organism.
a.Multicellular
c. Unicellular
b. Circulation
d. Dyshomeostasis
b. Colonial
d. Plant Kingdom

3. 3. Areproduction that only involves one parent.
a. Sexual b. Budding
c. Asexua! d. Binary Fission
4. It is where almost all energy for life originates.
a. |n sugars b. In piants
c. In animals d. In the sun
5. The driving force behind evolution,
a. Sexual
c. Energy
b. Reproduction
d. Natural Selection

4. Direction: Examine the picture and write down the characteristic of life
shown in each picture. Describe each characteristic briefly.
Figure 1. Sunflower and its parts
High of
organi'zation (Order)
Figure 2. A jackrabbit's ears opening
wide, vividly showing its blood vessels
Evo/‹ //onary adaptalion

5. Figure 3. A butterfly obtaining fuel in
the form of nectar from flowers
Energy processingyacquisition
and use of energy
Figure 4. A sprouting seed
Growth and development

6. Figure S. Damselfly landing on a
Venus flytrap, with the flytrap
rapidly closing its trap
Response to the environment/ability to
respond fa slime/i
Figure 6. Mother giraffe with its
young calf standing beside her
Reproduction

7. Figure 7. Garden showing lueh vegetation and
diverse animals
Diversity and unity

8. Unifying
Themes
in the
Study of
Life

9. in the
study of life show the connections among
living things and how they interact with
each other and with their environment.
(S11/12LT-11a-3)

10. Theme 1: Biological
Fig. 8: Hierarchical Level of Biological Organization
Ad7o/og7ca/
complex networkof
biologically relevant
from the smalfast
unit of mattar Ihat is
complex view of
the wring sphera,
the BIOSPHERE

11. TEN THEMES THAT UNIFY THE STUDY OF LIFE
ECOSYBTEM
Theme 2: Higher
Degree of Organization
T‹ssue
tY
Ecosystem
Biosphere
Fig. 8. Hierarchical Level of 8’o/og’ca/ Organization

12. Theme 3: Structure and Function
• The structure determines /v cfior› and
function re//ecfs structure.
What something does
!n an organism is
directly related to its
shape or form
Structure and
function are related at
the level of chemicals
!n cells.
• Structure and function
are also related to the
level of the organism.

13. TEN THEMES THAT UNIFY THE STUDY OF LIFE
Theme 4: Reproduction and Inheritance
In hUTrans, an egg cRlI from the mother fuses with a Sperm cell from the father,
resulting in a fertilized cell containing a combination of DNA from both parents.
The inherited DNA directs the transformation of the fertili2ed egg into a person
with hislher eye color, facial features, and other characteristics. The inherited
information of DNA enables organisms to reproduce their kind.

14. TE’N’’TH”EMES.’THATUNIFYTHE.STUDY OFLIFE
Theme 5: Life Requires Energy Transfer and Transformation
SUN PRODUCERS
(Plants)
CONSUhERS
(Animals)
Thermal
Energy (Lost
Heat)

15. TEN THEMES THAT UNIFY THE STUDY OF LIFE
Theme 6: Organisms Interact with Other Organisms And The Physical
Environment
In an ecosystem, each organism
interacts continuously with its
environment, including other
organisms and physica! factors.
'No man is an island." This
saying is aIsD true far organisms
in an ecosystem. ND organism
exists in isolation. Individual
organisms live tDgether in an
ecosystem and depend Dn Dne
another.
organiame and tha physical

16. TEN THEMES THAT UNIFY THE STUDY OF LIFE
Theme 7: Organisms Must Maintain I-homeostasis to Survive in a Diverse
Environment
Homeostasis is the
maintenance of constant internal
conditions in an organism.
In negative feedback, a change
in a system causes a response
that tends tD return that system
to its original state.
The ability DI mammals and birds
to regulate bDdy temperature is
another example DI homeDstasis
_, _, _
or "steady -s l a t e meosta£ic Regulation of temperature in Human

17. TEN THEMES THAT UNIFY THE STUDY OF LIFE
Theme 8: Evolution and
Auslra Homo Homo H4mo Homo
Evolution is the change
in living things over time.
It is a change in the
genetic makeup of a
subgroup, Drpopulation,
of a species.
Natural selection of
genetic traits can lead to
the evolution of a new
species. In the end, this
genetic diversity is
responsible for the
diversity Df life on Earth.

18. TE’N:’TH”EME9’THAT”UNIF?’THE‹STUDY OF LIFE
Theme 9: Scientific Inquiry
In scientifc inqWy, scientists observe (collect data) and use inductive
reasoning to draw a general conclusion, which can be deveioped into a
testable hypothesis.
Humans learn abDUt the solution to various problems
The scientific methDd can give direction and pace for every inquiry, and
technology produced machinery to Ien9then the life of perishable
goods
The technology app/ies scientific hnowledge in new w'ays.

19. Theme 10: Biology and Society
The relationship of science to society becomes clearer when we add
technology to the picture.
SCIENCE (Biology)
The goal of science is to understand
natural phenomena.
Speak of "discoveries™
TECHNOLOGY
Applies scientific knowledge for
some specific purpose
Speak of "inventions."
Science and technology are interdependent. Modern biology is
changing humans' everyday lives.

20. Activity 1
Direction. Inside the box are the characteristics of life. Use this to identify
which characteristics of living things are referred to in each of the items below.
Comment your answers in the comment section.
CHARACTERISTICS OF LIFE
A. All I‹ving hings contain cells
B. Alf liring fhings contain DNA
E. All living things ‹espond to stimuli
P. All IiVing things maintain an inlernal balance
C. All living things obtain and use energy G. All living things grow and develop
D. All Iiv‹ng IhingG reproduce N. All iiv‹ng lhings evolve aGa population
1. Plants make use of carbDn diDXide, water and sunlight tD
produce their Dwn fODd during the process of photosynthesis.
?. Bacteria reproduce through the process of binary fission.
3. It is thought that humans and chimpanzees once shared a
common ancestor.

21. 4. Sunflowers keep changing its direction following the movement
of the sun.
5. E. co/’ is a unicellular organism.
6 Endotherms use their circulatory systems to help maintain body
temperature.
7. Traits, such as color and size, are inherited by an offspring
from its parents.
8. The roots of a plant grow towards the source of ground water.
9. DragDn fruit opens its flDwers late in the evening then closes as
the sun rises.
10. Caterpillars hibernates in a cocoon and emerges as a butterfly.

22. ANSWERS TO PRETEST: Let us check whal you already know about the
lesson today. Analyze the statement carefully and choose the lelter of the
correct answer.
1. It refers to the internal balance that a cell maintains with its external
environmRnt.
h o m e o s ta s i s
c. Diurnal
2. The term used for the one-celled organism.
a. Multicellular
nicellular
b. Circul?ition
d. Dyshomeostasis
b. C0l0nial
d. Plant Kingdom

23. 3. A reproduction that only involves one parent.
a. Sexual b. Budding
a s e x u a l d. Binary Fission
4. It is where almost all energy for life originateG.
a.In sugars
c. In animals
b. In plants
n the sun
5. The driving force behind evDlUtion,
a. Sexual
c. Energy
b. Reproduction
n a t u r a l SelectiDn

24. PERFORMANCE TASK: TERRARIUM
Direction.’
1. Make a terrarium using recycled or
indigenous materials available in your
home.
2. It must contain plants (small),
animals (small) related to the food
th ch
3. It can be in any size, and the design
is only limited to the base and cover
See the sample picture on the right
hole. Materials should de mcycled or
indigenous.
4. Take a photo of your terrarium and
post it in the comment section.