Marine life

Marine life

Poll

Do you believe life in the Ocean is more diverse than that on land?

• True

• False

• What determine where in the ocean living things are found ?

• How do animals in the ocean depend on each other?

Multiple Choice

Animals found on land are called

• Marine

• Terrestrial

Multiple Choice

Animals found in the ocean are

• Marine

• Terrestrial

Life in the Ocean

• Living things found in the oceans are called Marine organisms

• Land animals are terrestrial

• Scientists classify marine organisms according to where they live and how they move.

Multiple Choice

Animals found on land are called

• Marine

• Terrestrial

Multiple Choice

Animals found in the ocean are

• Marine

• Terrestrial

Classifying Marine Animals

• Planktons

• Nektons

• Benthos

Planktons

• Planktons : Small microscopic organisms 

• Phytoplanktons(plants

• Zooplanktons ( animals) 

• Phytoplanktons Produce food by the process of Photosynthesis

• Produce most of the oxygen we use

Nektons

• Nektons are free swimming organisms found in the open waters of the Oceans

• Examples : dolphins, sharks , whales, herrings 

Benthos

• Benthos are organisms which primarily live on the Ocean floor

• These include ; starfish , crabs , lobster ,corals, sponges,

Multiple Choice

Free swimming organisms found in the ocean

• Benthos

• Nektons

• Planktons

Multiple Choice

Animals that lives on ocean floor

• Benthos

• Nektons

• Planktons

Multiple Choice

Microscopic organisms capable of carrying out the process of photosynthesis

• Phytoplanktons

• Zooplanktons

• Benthos

Multiple Choice

What group does the organism in the picture belong to ?

• Planktons

• Nektons

• Benthos

Multiple Choice

What group does the organism in the picture belong to ?

• Plankton

• Nekton

• Benthos

Multiple Choice

What group does the organism in the picture belong to ?

• Planktons

• Nektons

• Benthos

Marine Habitat

• Shoreline  ( Intertidal)

• Open Waters ( Neritic)

• Deep

Organism: Intertidal

• Periwinkle

• Mussel

• Sea Urchin

• Sea Star

• Sea Urchin

Environment in the intertidal zone can be hostile . Why ?

• As tide recedes organisms are exposed to Sun

• They are also exposed to predators

How do you believe organisms in the intertidal zone adapt to the environment so they can survive ?

Adaptation in Intertidal Zone 

• They have hard shells

• They have appendages that allows them to stick to rocks

• They sometimes burrow in sand

• Adapt to retain water

Multiple Choice

Which of the following do not live in the intertidal Zone ?

Multiple Choice

Which one of the following statement about the intertidal zone is INCORRECT ?

• It is a hostile environment to organisms present

• Organisms in this zone can be dried out easily

• Since organisms are close to shore they do not have to adapt to changes

• At low tide organisms are exposed to predators

Multiple Choice

Which of the following is not an adaptation organism living in the Inter tidal Zone make?

• They become good swimmers to escape predators

• They have hard outer bodies (exoskeleton) to reduce drying out

• They cling to rocks so as not to wash away when tide changes

• They burrow in sand

OPen Ocean ( Neritic)

• Zooplanktons and Phytoplanktons

• Jelly Fish

• Algae

• Shark

• Clown Fish

• Dolphin

• Tuna

Organisms : Deep Ocean

• Giant Spider Crab. ...

• Vampire Squid. ...

• Giant Tube Worms.

• FANGTOOTH FISH

• Angler Fish

• 
  

• 
  

Adapatation of Deep Ocean Org.

• Strong bones

• Glow ( Biolumiscence) : Attract prey , see in dark

• Make food by Chemosynthesis ( making food from chemical)

• 
  

• 
  

Fang tooth Fish

Vampire Squid

Angler Fish

Giant Tube Worm

Multiple Choice

Where in the Ocean would this organism most likely found ?

• Inter-tidal

• Neritic

• Deep

Multiple Choice

What part of the ocean would this organism be found ?

• Intertidal

• Neritic

• Deep

Multiple Choice

What part of ocean would this organisms be found ?

• Intertidal

• Neritic

• Deep

Multiple Choice

The making of food by deep sea creatures by using chemicals

• Photosynthesis

• Eutrophication

• Chemo-synthesis

• Respiration

Organisms in the oceans depend on each other for survival

Open Ended

How do living things in the Ocean depend on each other for survival?

Living things depend on each other for

• Gases needed for survival

• Energy from food

A food chain

A food chain shows the flow of energy in a linear manner . It shows each organism has only one food source

Members in a food chain

• Producers

• Consumers

• Decomposers

• Planktons are producers who use the energy from the sun to produce food 

• Consumers are those organisms that consume a producer or other consumers 

• Decomposers are like bacteria and fungi

• This type of interaction can be shown in a food chain or web

Producers

• Live in upper region (sunlit zone)  

  because they need sunlight to produce food by photosynthesis

• Ocean Currents recycle and circulate nutrients, minerals, 

  and gases to make them available.

Consumers

• Primary consumers are those which feed directly from plants

• Secondary consumers feed on those consumers that feed on primary conumers

Most consumers depend on more than one source for food so there can be one than one food chain When several food chains are combined they are called food web

Decomposers

• Decomposers are organisms which have the ability to break down dead organisms into smaller particles and create new compounds
• Ex. Fungi , bacteria

Identify a food chain from the food web shown?

Multiple Choice

Identify the producer in the diagram shown

• Man

• Shark

• Plankton

• Seagull

Multiple Choice

Organisms able to produce food by photosynthesis

• Producers

• Consumers

Multiple Choice

Which of the following organism can produce food by photosynthesis?

• Planktons

• Sharks

• Tuna

• Crabs

Multiple Choice

An organism which feeds directly from a producer

• Secondary consumer

• Decomposers

• Primary Consumer

Multiple Choice

The organism that is found at the top of the food chain

• Producer

• Primary Consumer

• Decomposer

• Secondary Consumer