Question

1.Dogs and cats have big outer ears. How do they help them?

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2. What will happen if our backbone was made up of one long bone only?​

Answer 1

Answer:

1. Dogs can hear further distances because the shape of the outer ear. Ears act as a funnel to capture sound waves. A dogs ears are larger and can swivel in the direction of a sound thus maximizing the sound waves collected.

2. Human backbone provides support to our body and helps in the movement. The structural composition of back bone allows us to bend, crouch, stand and lie down on the ground. ... If back bone is made up of one long bone then we would never be able to sit, crouch or lie.

Answer 2

Answer:

1-big ears help them to listen far things clearly

2-if our backbone was made up of long bone only then we will not able to move easily

Explanation:

hope it will help you