Starter Questions Have you ever been swimming or diving in the ocean? What are the largest creatures in the ocean? What are the smallest creatures in the ocean? What do you think are the strangest creatures in the ocean?

Have you ever been swimming or diving in the ocean?

What are the largest creatures in the ocean?

What are the smallest creatures in the ocean?

What do you think are the strangest creatures in the ocean?

Introduction In today’s lecture we will look at different creatures from the sea, their characteristics, and habits Most of the vocabulary in this lecture is basic English biological science vocabulary, so you’ll get some new words for things you already know about in Chinese Let’s begin!

In today’s lecture we will look at different creatures from the sea, their characteristics, and habits

Most of the vocabulary in this lecture is basic English biological science vocabulary, so you’ll get some new words for things you already know about in Chinese

Let’s begin!

Echinoderms Echinoderm is the scientific name for creatures in the ocean with spiny skin Echinoderms can be found all through the ocean and most of them have healing abilities Examples include the starfish and sea cucumber

Echinoderm is the scientific name for creatures in the ocean with spiny skin

Echinoderms can be found all through the ocean and most of them have healing abilities

Examples include the starfish and sea cucumber

Sea Cucumber The sea cucumber is famous for a couple things First, it’s pretty ugly – like a cucumber Second, it defends itself in a very unique way Have you ever eaten a sea cucumber? Did you like the taste?

The sea cucumber is famous for a couple things

First, it’s pretty ugly – like a cucumber

Second, it defends itself in a very unique way

Have you ever eaten a sea cucumber? Did you like the taste?

Jellyfish Jellyfish are simple sea creatures that feed using tentacles They come in different sizes and shapes and are found throughout the world Some are highly poisonous, such as the box jelly and Portuguese Man O’ War

Jellyfish are simple sea creatures that feed using tentacles

They come in different sizes and shapes and are found throughout the world

Some are highly poisonous, such as the box jelly and Portuguese Man O’ War

Crustaceans Crustaceans are a group of creatures whose bodies are covered with a protective shell Their limbs always include claws and they usually have antennae Some can go on land for a short time Examples include crabs, lobsters, and shrimp

Crustaceans are a group of creatures whose bodies are covered with a protective shell

Their limbs always include claws and they usually have antennae

Some can go on land for a short time

Examples include crabs, lobsters, and shrimp

Pistol Shrimp A pistol shrimp is a kind of shrimp which has a unique way of feeding One of its claws is extremely powerful and can make a small explosion in the water that stuns fish and other creatures Let’s see it in action

A pistol shrimp is a kind of shrimp which has a unique way of feeding

One of its claws is extremely powerful and can make a small explosion in the water that stuns fish and other creatures

Let’s see it in action

Fish What are the basic characteristics of fish? Cold blooded Gills for breathing Lay eggs Special skin Fish are some of the oldest creatures in the ocean They come in many sizes and shapes

What are the basic characteristics of fish?

Cold blooded

Gills for breathing

Lay eggs

Special skin

Fish are some of the oldest creatures in the ocean

They come in many sizes and shapes

Great White Shark Sharks are cartilaginous fish – they don’t have bones like other fish Most are predators , and the most famous of these is the great white shark It lives in tropical waters around the world and will eat almost anything

Sharks are cartilaginous fish – they don’t have bones like other fish

Most are predators , and the most famous of these is the great white shark

It lives in tropical waters around the world and will eat almost anything

Manta Ray Rays are a kind of fish related to shark The rays have a flattened body that seems to “fly” under the ocean The manta ray is the largest of these kind of fish, and is found in the tropics

Rays are a kind of fish related to shark

The rays have a flattened body that seems to “fly” under the ocean

The manta ray is the largest of these kind of fish, and is found in the tropics

Clown Fish A clown fish is a small tropical fish that is brightly colored It is a good example of symbiosis in nature It lives in a special home, a sea anemone The sea anemone is highly poisonous but the clown fish is immune to the poison

A clown fish is a small tropical fish that is brightly colored

It is a good example of symbiosis in nature

It lives in a special home, a sea anemone

The sea anemone is highly poisonous but the clown fish is immune to the poison

Flounder A flounder is a fish with special camouflage to help it hide on the ocean floor When it is young, its body is like other fish, but when it gets older, it becomes flat Flounder meat is considered delicious

A flounder is a fish with special camouflage to help it hide on the ocean floor

When it is young, its body is like other fish, but when it gets older, it becomes flat

Flounder meat is considered delicious

Mollusks Mollusks are another ancient creature found in the ocean and sometimes on land They have soft skin and a protective shell, but their features are very different from species to species Examples include snails, octopi, and clams

Mollusks are another ancient creature found in the ocean and sometimes on land

They have soft skin and a protective shell, but their features are very different from species to species

Examples include snails, octopi, and clams

Sea Slug The sea slug is related to the land slug and the snail These are gastropods (stomach-footed) It is a mollusk with no visible shell and a long, soft body It is often poisonous and will eat fish, crabs, and other mollusks

The sea slug is related to the land slug and the snail

These are gastropods (stomach-footed)

It is a mollusk with no visible shell and a long, soft body

It is often poisonous and will eat fish, crabs, and other mollusks

Giant Clams Giant clams are a kind of mollusk called a bivalve – it means its shell has two parts They’re about a meter wide They live on the ocean floor and filter food from the water They have many, many e eyes inside of their shell

Giant clams are a kind of mollusk called a bivalve – it means its shell has two parts

They’re about a meter wide

They live on the ocean floor and filter food from the water

They have many, many e eyes inside of their shell

Cephalopods Their name means “head-footed” Cephalopods are among the smartest creatures in the ocean They have a highly developed eye, tentacled legs, and are usually predators Their shells have all but disappeared

Their name means “head-footed”

Cephalopods are among the smartest creatures in the ocean

They have a highly developed eye, tentacled legs, and are usually predators

Their shells have all but disappeared

Creatures of the Deep Ocean Creatures of the deep ocean have many special characteristics They are resistant to pressure and cold and able to live in dark places Many of them are bioluminescent – they make their own light!

Creatures of the deep ocean have many special characteristics

They are resistant to pressure and cold and able to live in dark places

Many of them are bioluminescent – they make their own light!

Angler Fish The angler fish is a predatory fish that uses part of its body to attract smaller fish before attacking They live in the deepest parts of the ocean Many of them are bioluminescent

The angler fish is a predatory fish that uses part of its body to attract smaller fish before attacking

They live in the deepest parts of the ocean

Many of them are bioluminescent

Tube Worms A tube worm is a creature living on the ocean floor near underwater volcanoes Their body is a long tube with a feathery mouth at the end They filter food and minerals and can tolerate poisons from the volcanoes

A tube worm is a creature living on the ocean floor near underwater volcanoes

Their body is a long tube with a feathery mouth at the end

They filter food and minerals and can tolerate poisons from the volcanoes

Afterwards, we’ll discuss what you think about these animals

Afterwards, we’ll discuss what you think about these animals

Sea Turtles Sea turtles are the most common reptiles in the oceans They must hold their breath to dive They swim through the oceans of the world each year They are some of the longest-living animals in the sea

Sea turtles are the most common reptiles in the oceans

They must hold their breath to dive

They swim through the oceans of the world each year

They are some of the longest-living animals in the sea

Sea Mammals Now, we’re going to talk about sea mammals What is a mammal? It breathes air It is warm-blooded It gives birth to living babies (doesn’t lay eggs) It gives milk The two main kinds of sea mammals are pinnipeds and cetaceans

Now, we’re going to talk about sea mammals

What is a mammal?

It breathes air

It is warm-blooded

It gives birth to living babies (doesn’t lay eggs)

It gives milk

The two main kinds of sea mammals are pinnipeds and cetaceans

Pinnipeds Their name means “flipper-footed” and they’re a kind of mammal that lives on land and in the water Their bodies are usually fat to protect them from the cold Examples include seals, sea lions, and walruses

Their name means “flipper-footed” and they’re a kind of mammal that lives on land and in the water

Their bodies are usually fat to protect them from the cold

Examples include seals, sea lions, and walruses

Walruses Walruses are some of the largest mammals in the world They weigh up to 2,000 kilograms They live in arctic regions They’re famous for their tusks , which are made of ivory – just like an elephant

Walruses are some of the largest mammals in the world

They weigh up to 2,000 kilograms

They live in arctic regions

They’re famous for their tusks , which are made of ivory – just like an elephant

Cetaceans Cetaceans are mammals that have evolved fish-like bodies for swimming Their nose has become a blowhole at the top of their head They also have the ability to communicate and “see” the ocean using sound

Cetaceans are mammals that have evolved fish-like bodies for swimming

Their nose has become a blowhole at the top of their head

They also have the ability to communicate and “see” the ocean using sound

Dolphins and Porpoises Dolphins are among the most intelligent ocean creatures They are predators and usually around the size of a person Killer whales are related to dolphins They instinctively like people

Dolphins are among the most intelligent ocean creatures

They are predators and usually around the size of a person

Killer whales are related to dolphins

They instinctively like people

Blue Whale The blue whale is the largest creature in the world It has no teeth and instead feeds on krill , tiny shrimp like creatures, by filtering them from the water Let’s watch a video to learn more

The blue whale is the largest creature in the world

It has no teeth and instead feeds on krill , tiny shrimp like creatures, by filtering them from the water

Let’s watch a video to learn more

Any questions?

Any questions?