is a system of plants and animals which are interconnected and working together

is a natural area of plants and animals

There are main six types of biomes:

is the largest biome out there, covering nearly 75% of our planet and can be divided into two main categories: freshwater and saltwater

These biomes cover about one fifth of our planet's land area and are extremely dry.

____________ are home to a variety of trees and other plants

A biome where grasses are the main plant life

Home to a variety of tropical plants and animals and found in regions that are warm all year round

This is the coldest biome and therefore has little plant and animal variety.

What is the process of water cycle?

the visible part of the ear

is a short tube that transmits sound from the pinna to the eardrum.

is a thin, tough layer of tissue at the end of the auditory canal. Sound waves make the eardrum vibrate.

__________ or ossicles, are three tiny bones that amplify and transmit the vibrations from the eardrum to the cochlea.

is an organ filled with fluid. Receptor cells change vibrations in the fluid into electrical impulses.

contains sensory neurons that send information to the brain for processing.

connects the middle ear to the nasal cavity. It regulates the pressure within the ear.

__________ can sense sound in the form of vibrations and send and receive signals from the brain.

outer ear

a tube running from the outer ear to the middle ear

are three tiny bones that amplify and transmit the vibrations from the eardrum to the cochlea

a thin membrane that vibrates as the sound wave hits it

is an organ filled with fluid.

carry impulses from the inner ear to the brain

connects the middle ear to the nasal cavity