Structures and Functions

An ​ ​ (a)   is a special feature or behavior that helps organisms survive better.

Organisms have parts of their body called ​ (b)   that help them to survive by performing a specific purpose, or ​ (c)  

• adaptation
• structures
• function
• Instinct
• Inherited trait
• learned behavior

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NGSS.MS-LS4-4

Bacterian camels have special features that allow them to live in harsh, hot climates. These camels have long eyelashes and ears lined with hair. They also have nostrils that they can close when needed. Which is most likely the reason camels have these structures?

• Protection from hot weather

• Protection from sandstorms

• Protection from rainstorms

• Protection from predators

Elk and bighorn sheep are grazers that eat grasses and low-growing vegetation. A structural adaptation that helps meet the needs for this type of diet is –

• camouflaged fur

• flat teeth

• webbed feet

• good eyesight

Which bird has a beak that is best adapted for getting nectar from deep in flowers?

• 
• 
• 
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Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Why might some plants that grow on the shady rain forest floor have large leaves?

• to stay safe from predators
• to attract different animals
• to survive harsh winters with heavy snowfall
• to take in as much sunlight as possible

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NGSS.MS-LS1-5

NGSS.MS-LS1-6

The kangaroo rat lives in the drier areas of the western and southwestern United States. It is very small and has a long tail and large back legs that allow it to jump up to 9 feet. This animal most likely uses it’s back legs to—

• dig burrows

• leap away from predators

• listen for dangers

• attract a mate

Which adaptation of a frog most helps it capture insects to eat?

• croaking sound

• sticky tongue

• laying eggs

• smooth skin

Which foot is best suited for birds that eat seeds and small insects?

• Clawed foot with talon 
• Human-like foot
• Webbed foot
• Small clawed foot without a talon 

Tags

NGSS.MS-LS4-2