ME Sci 4 Q2 0601 PS.pptx

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Learning Competency
Identify the specialized structures of terrestrial and
aquatic plants (S4LT-IIe-f-9).
At the end of this lesson, the given DepEd learning
competency should be met by the students:

Learning Objectives
At the end of this lesson, the learner should be able to
do the following:
● Describe terrestrial plants.
● Differentiate among the types of terrestrial plants.
● Enumerate different habitats of terrestrial plants.

What are the
different plant
forms present in
terrestrial
ecosystems?
How do plants
adapt to survive
in this form of
environment?

Try it!
Warm-Up
Observe the different types of plant forms (i.e., tree, grass,
and shrub) present in your school and identify the most
dominant ones.
Describing Terrestrial Plants

Learn about It
● A forest is a large area of land that is filled with trees.
Natural Habitats of Terrestrial Plants
Tall trees are found in the forest.

Learn about It
● A grassland is a habitat that is dominated with grass.
Grasses are abundant in grasslands.

Learn about It
● A wetland is an land area that is soaked with water or one
that has some water.
A swamp is an example of a wetland.

Learn about It
● A desert is a land area with little rainfall and usually sandy in
nature.
Cacti are usually found in deserts.

Learn about It
● Terrestrial plants can either have soft stems or big trunks
that holds their leaves and flowers.
Features of Terrestrial Plants
Some terrestrial plants have soft stems, while tall trees have big trunks.

Learn about It
● The leaves of terrestrial plants
are covered with a waxy layer
called the cuticle.
● This layer inhibits too much
water loss in plants.
Cuticle prevents plants from
drying up.

Learn about It
● The water comes out through
the stomata, which are small
pores on the leaves that allow
entry and exit of materials,
particularly gases.
A stomata is an opening under the
leaves where different materials
enter and exit.

Learn about It
● Terrestrial plants have
strong roots that come in
various forms to properly
anchor them into the soil.
Tall trees have big and strong roots
that help them anchor to the soil.

Learn about It
● Trees are tall plants with a large
woody stem called a trunk that
has secondary branches.
● A bark is a protective layer
found in the trunk of trees.
● Their roots are widely branched
and spread in the soil.
Kinds of Terrestrial Plants
Trunk is the main stem of the tree
which branches to secondary stems

Learn about It
● Leaves of trees contain
cuticle to avoid water loss
from too much sunlight
exposure.
● Trees can be flowering or
non-flowering.
Mango tree is a common example
of a local tree in the Philippines.

Learn about It
● Plants that are like trees but
with smaller trunk are called
shrub.
● It can only grow from 1 to 4
meters in height.
● Most shrubs are flowering
plants like santan, gumamela,
dama de noche, and rose.
Santan is a common example of a
shrub in the Philippines.

Learn about It
● Leaves of shrubs can be
evergreen or deciduous.
● A shrub with evergreen
leaves remains green in color
throughout its life, while
deciduous shrubs change
the color of the leaves, and
shed them seasonally.
A deciduous shrub changes the color
and sheds its leaves seasonally

Learn about It
● Herbs are non-woody plants
and are usually cultured for
food and medicinal uses.
● Herbs can be grown in pots in
your own backyard or home.
Basil, a common kitchen ingredient,
is a common example of a herb.

Learn about It
● Annual herbs produce flowers or fruits after the end of their
growing season. The seeds from the flowers or fruits will
develop into a new plant.
● For perennial and biennial herbs, when stems die at the
end of the growing season, other parts of the plant will
survive.

Learn about It
● Plants that twirl on solid
surfaces are called vines.
● They grow as if they are
crawling on a solid surface
because they have weak
stems compared with other
plants.
A grape plant is an example
of a vine.

Learn about It
● Some vines possess thorns and
tendrils.
● Tendrils are modified leaves that
produce sticky pads that allow
them to attach strongly to a solid
surface.
● The climbing ability of vines
allows them to get more sunlight.
Tendrils give support
to vine plants.

Learn about It
● Grasses are also non-woody
plants and have hollow stems
enclosed in the lower part of
the leaf, forming a leaf sheath.
● Unlike other plants, grasses
start their growth at the base or
near the soil.
Grass on a field

Learn about It
● Plants in the desert have modified
and reduced their leaves into
spines.
● They function for protection against
predators and prevents water loss.
● Their stems produce food and store
water, which make the cactus body
fleshy.
A cactus surrounded
with spines

Learn about It
● Mangroves are terrestrial plants
that live in swampy areas in
coastlines with marshy or sticky
soil.
● They have specialized breathing
roots that allow them to live in
this area and help them obtain
oxygen from the atmosphere.
Mangroves in swampy area
within the coastline

Key Points
● Plants that live on land are called terrestrial plants or land plants.
● Terrestrial plants have stems or hard trunks, cuticle cover on their
leaves, and strong roots that anchor them to the soil.
● Terrestrial plants vary in forms and sizes. It can be in the form of
trees, shrubs, herbs, vines, mangroves, and succulent plants.
● Terrestrial plants are commonly present in mountains, wetlands,
deserts, and grassland.

Check Your Understanding
Identify the type of terrestrial plant described in each
of the following items.
1. tall and straight plant with main trunk
2. breathing roots
3. fleshy stems
4. broad leaves
5. presence of spines

Photo Credit
Slide 6. Orange jasmine shrub by ZSM is licensed under CC BY-SA 3.0 via Wikimedia Commons.

Bibliography
Biofuels. “Impact of Soil Type on Seed Germination and Plant Growth (Study)”. Accessed July 12, 2017.
http://learnbiofuels.org/biofuels-lessons/as1-impact-of-soil-type-on-seed-germination-and-plant-
growth
Foresman, Scott. 2010. Science. USA: Pearson Education Inc.
Missouri Botanical Garden. “Plant Adaptations.” Accessed July 12, 2017.
http://www.mbgnet.net/bioplants/adapt.html
Pennsylvania Department of Education. “Plant Adaptations.” Accessed July 12, 2017.
https://pdesas.org/module/content/resources/13940/view.ashx

Bibliography
Reece, Jane B., and Neil A. Campbell. 2011. Campbell Biology. Boston: Benjamin Cummings/Pearson.
Shibles, David. 2000. Botany Basics. USA: University of Florida.
Shipunov, Alexey. 2016. Introduction to Botany. USA: Minot State University.
University of Florida IFAS Extension. “What Makes Plants Grow?”. Accessed July 12, 2017.
http://edis.ifas.ufl.edu/pdffiles/4h/4H36000.pdf
Virginia Department of Education. “Plant Adaptations.” Accessed July 12, 2017.
http://www.doe.virginia.gov/testing/sol/standards_docs/science/2010/lesson_plans/grade4/life_proc
esses/sess_4.4d.pdf

ME Sci 4 Q2 0601 PS.pptx

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