An ecosystem is a community of living things that interact with each other and their physical environment. It can include plants, animals, fungi, bacteria and other organisms as well as non-living elements like weather and landscape. Ecosystems provide environments for organisms to live and they maintain balance through complex interconnections between living and nonliving components. Examples of ecosystems discussed include deserts, tundra, rainforests, oceans, savannas and swamps.

1. ECOSYSTE
M

2. What is
ecosystem?
An ecosystem is a community of living
things that interact with each other and
with the physical world.

3. o The plants and
animals within each
ecosystem interact
with each other and
the non-living
elements of the
ecosystem like
climate,
precipitation, and
soil.

4. o An ecosystem can be very small such as a puddle or under a rock.
o It can also be as big as an ocean or a desert.

5. o The balance of an ecosystem is important. All things must
work together to provide a good living environment.
For example, if there is not enough water, plants and animals
will die and the ecosystem will not exist.

6. Examples of Ecosystems
o Desert
o Arctic Tundra
• Rainforest
o Ocean
o African Savanna
o Swamp

7. DESERT
• is the study of interactions between both biotic and
abiotic components of desert environments.
• a desert ecosystem is defined by interaction between
organisms, the climate in which they live, and any other
non-living influences on the habitat.

8. ARCTIC
TUNDRA
Are treeless regions found in
the Arctic and on the tops of
mountains, where the climate
is cold and windy, and rainfall
is scant.

9. RAINFOREST
• Is an area of tall, mostly
evergreen trees and a
high amount of rainfall
• Rainforest are Earth's
oldest living
ecosystems with some
surviving in their
present form of at least
70 million years

10. OCEAN/ MARINE
• Are the largest of the Earth's Aquatic
ecosystems and exist in waters that have a
high salt content. These systems contrast
with fresh water ecosystems, which have a
lower salt content.

11. AFRICAN
SAVANNA
• Is a tropical grassland w/ warm temperatures year around and
seasonal rainfall.
• The savanna characterized by grasses and small or disprsed
trees, along w/ a diverse community of organisms that interact
to form a complex food web.

12. SWAMP • are among the most
valuable ecosystems on
Earth. They act like giant
sponges or reservoirs.
When heavy rains cause
flooding, swamps and
other wetlands absorb
excess water,
moderating the effects
of flooding. Swamps
also protect coastal
areas from storm surges
that can wash away

13. Producers
o A living thing that can make its own
food.
o Examples: Plants, Trees, Flowers

14. Consumers
o A living thing that gets its food from eating
other living things.
• Example: Cow( herbivore), bear
(omnivore),lion(Carnivore)

15. Decomposers
o A living thing that breaks down other living things to get
nutrients and energy.
o Examples: Vultures eat dead animals. Worms and
beetles eat dead decaying
plants.

16. Population
o A group of living things that live in the same place
at the same time.
o Example: many penguins live in the artic; many
elephants live in the African
Savanna

17. Community
• When different populations live together
in the same habitat and interact with each
other.
• Example: Elephants, giraffes, and zebras
all live together in the Savanna.

18. An abiotic factor is
a non-living part of
an ecosystem that
shapes its
environment. In a
terrestrial
ecosystem,
examples might
include temperature,
light, and water.

19. A biotic factor is a living
organism that shapes its
environment. In a freshwater
ecosystem, examples might
include aquatic plants, fish,
amphibians, and algae.

20. A food chain describes how energy and
nutrients move through an ecosystem. At the
basic level there are plants that produce the
energy, then it moves up to higher-level
organisms like herbivores. After that when
carnivores eat the herbivores, energy is
transferred from one to the other.

21. A food web consists
of all the food chains
in a single ecosystem.
Each living thing in an
ecosystem is part of
multiple food chains.
Each food chain is
one possible path that
energy and nutrients
may take as they
move through the

22. Thank You

23. Quiz muna😜

24. 1.An __________ includes all living and non-living things
in an environment.
a. population
b. niche
c. abitotic
d. ecosystem
2._______ are consumers that eat only meat.
A.Herbivore
B.Omnivore
C.Carnivore
3.Which group do fungi(mushrooms), bacteria, and
earthworms belong to?
a. decomposers
b. producerS
c. herbivores
d. omnivores
4..The feeding relationship from one
organism to another in an ecosystem
is known as a ___.
a. producer
b. food chain
c. herbivore
d. carnivore
5. All of the following are abiotic
factors except.
a. Plant
B. Water
c. Sunlight
d. Temperature

25. 6.An organism that
creates its own food is
called
7.what kind of animal is
a cow?
8.What are the seasons
in The Arctic Tundra?
9. It is the oldest living
ecosystems
10. Example of animal
that lives in swamp

26. Answer key:
1.C
2.C
3.A
4.B
5.A
6. Herbivore
7.windy
8. Producer
9. Rainforest
10.