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