What are internal structures in living organisms?

• Seeds inside an apple and bones of your body

• Cactus's spines and your fingernails

• Leaves of a plant and cat's whiskers

• Fish's gills and mammal's lungs

How do a cat's whiskers help it survive?

• They make the cat look cute

• They help the cat feel changes in airflow

• They help the cat hear better

• They help the cat smell better

What is the main function of a plant's leaves?

• To gather light and turn it into energy

• To protect the plant from predators

• To store water for the plant

• To help the plant move

How do fish exchange gas with their environment?

• Through their gills

• Through their skin

• Through their fins

• Through their scales

What is the role of smell in animal survival?

• To find food and avoid danger

• To help animals see better

• To help animals hear better

• To help animals move faster

How do harbor seals use their whiskers?

• To feel their way through water

• To hear underwater sounds

• To smell underwater

• To see in dark waters

Why is the ability to detect light important for animals?

• It helps them find food

• It helps them hear better

• It helps them smell better

• It helps them move faster