............. is the period from sensing danger to being away from it.
Reaction time
Real time
Message time
........ are a tool used by humans, on which they can depend to see in the dark.
Day vision goggles
Night vision goggles
Nervous system
The brain is part of the .................................... system.
respiratory
nervous
digestive
The nervous system sends information from...................
the brain to sensory organs to be processed.
sensory organs to the brain to be processed.
sensory organs to the nerve to be processed.
The jerboa’s hopping in .......... paths
circular
zigzag
straight
...........is a way that helps the living organism to survive in its environment.
Adaptation
life
living
Examples of light sources ...........
The sun
The eye
Mirror
Example/s of reflex action:
You blink your eyes when something comes near it.
Your hand moves away quickly when you touch a very hot object
all above
Camouflage is an example of adaptation in which some animals hide from predators
True
False
.......... have a sharp sense of hearing to hear all sound tones.
Dolphins
The lizard
Frogs
Cats’ eyes are ..........
structural adaptation
behavioral adaptation
The bull shark can live in ...................
fresh and salty water
fresh water
salty water
......... has the ability of heat sense through a special part in its face to locate its prey.
A dolphin
A bat
A snake
Arctic fox lives in the hot desert.
........... has a bowl-shaped face that can detect distant sounds and quiet movements.
The owl
The bat
The Snake
........... is a desert rodent with very large ears (like the fennec fox) and small eyes.
Egyptian jerboa
fennec fox
Humans can see objects that give off light or reflect light.
Humans need light to see objects.
Nocturnal animals animals that have night vision to hunt at night
..........is a type of messages that are transmitted so fast.
Sound waves
Reflex action
Sound message