Internal and External Structures

Internal and External Structures

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Open Ended

Recap...What have you learned about cells?

Cells

Every living thing is made up of cells

But did you know...cells create STRUCTURES that help living things survive

BUT HOW?!

Look at this bear

She was perfectly designed to survive in her ecosystem because of her internal and external structures

Let's take a closer look...

Open Ended

What structures does this bear have to help her and her species exist in her ecosystem?

Internal Structures

Each living thing has internal structures.

Internal means "on the inside".

Open Ended

Name some internal structures of a plant and/or animal.

Internal Structures of this bear include:

• Heart, Veins, and Arteries

• Liver, Stomach, and Kidney

• Lungs

• Intestine

• Bones

• Muscle and Tendons

• Brain and Nerves

Internal Structures of a plant include:

• System of tubules (carries nutrients from the root)

• Dermal Tissue (protect the inside of the plant stem)

• Xylem and Phloem (creates a wall to support the plant)

Multiple Choice

Which of the following are ALL Internal Structures of an animal?

• Brain, Heart, Skin

• Heart, Lungs, Muscle

• Eyes, Hair, Veins

• Brain, Heart, Lungs

Open Ended

What are some examples of External Structures of plant and animals?

Let's go back to the bear, it has some important external structures

Teeth

Fur

Nose

Eye

Ear

Claws

Open Ended

Now think about a rose. Ah, lovely rose. What external structures does a rose have to help it thrive?

Multiple Select

Exit Ticket: Which of the following are examples of External Structures of a shark?

• Sharp teeth that grow back easily

• Fins to help it swim

• Smooth skin to help it glide through the water

• All of the Above