Surface that regularly reflects light ...............
dark with impurities
smooth and shiny
rough and dark
What happens to living things that can't adapt to the conditions of its environment
they can survive in the environment
keep their number constant
they can't stay in the environment
Sameh drives his bike and while that he hears a car behind him, he turns away so as not to hit it. The system that received a signal made Sameh realize that is .....
the digestive system
the nervous system
the circulatory system
The light-reflecting materials like_______
paper
plastic
mirrors
One of the behavioral adaptations that help the animal protect itself from enemies __
reproduction
blend in
extinction
Adel wanted to make a suitable box through which he could see what was inside without having to open it. What material should be used?
transparent plastic.
carton
Wood
Raise the thumb up or lower it down a kind of ___
colors
codes
waves
Animals that live in a hot environment have ........................ ears to help her, and allow heat to escape to be cool.
small
long
short
When you put your hand on a hot surface, the brain sends a message to the muscles and the action that comes from you immediately after it is to...
You will do nothing
Keep placing your hand
pull your hand away from a hot
The ability to turn the head in all directions ,....................
Snakes
dolphins
owl
Humpback whales use singing for...............
having fun with whales
communication
hide from enemies
.............. panting to lower her body temperature.
Foxes
Bats
Lions
All of the following are components of the nervous system except____
heart
nerves
brain
Animals can communicate with each other through____
sounds and lights
talk
writing
The organ responsible for the sense of sight____
the eye
the ear
the nose
Animals can communicate with each other by... ......
Writing.
the Sound
reading.
Fish extracts oxygen out of the water by ...................
skin
gills
fins
Stomach is a part of the digestive system that ..........
converts solid food into liquid
delivers food into the esophagus.
absorbs nutrients from food
Each of the following is considered a source of light except .........
the sun
the lamp
What is adaptation?
Feature owned by living things to help them survive.
The process by which new species appear.
A process of getting rid of harmful substances in living things.
To communicate through the sense of sight we need ............ ;
availability of light
making sound
hearing music
Which of these examples of hid or a camouflage?
Camel broad feet
the fox is golden like its environment.
Camel hump
When light falls on a dark surface_____
light passes through it.
the surface absorbs the light
the light is refracted
_____Your sensation of hot weather depends on sensory receptors in the
eare
nose
Which of the following allows pass the light through it?
wood
moon
glass
When you determine a sweet or bitter taste, you have used___
the tongue
What feature of light helps you see yourself in the mirror?
reflection
short rays
refraction
Our eyes help us see what's around us. What is the organ responsible for perceiving what we see with our eyes? ...........
The stomach
The esophagus.
The brain
Eagle is bird of prey (who eats meat). Its beak is strong and sharp. This structural adaptation helps it to .....................
ripping meat
escape.
find a shelter
Adaptations include changes that ...............in the environment.
improve species survival
reduce reproduction process
reduce life span for individuals