Habitat loss is one of the main causes of extinction
False
True
From an example of matter that attract to magnet is .............
iron
cork
wood
plastic
The ........... get the energy from sunlight
consumers
producers
decomposers
The particles are packed tightly with each other is .............
oxygend
water
The transport system of plant does the same function of circulatory system in human
The measuring unit of volume............
cm3
gram
kg
cm
Glass is a transparent material used in making eye glass
Flase
The atmosphere is a mixture of many gases
We can measure the length of classroom by using ..............
balance
kilogram
measuring tape
Decomposers haven not a role in the ecosystem
The food chain always starts with ...............
predators
............... is from nonliving part of ecosystem.
plant
grasshopper
soil
fungi
Form the food chain by using the following organisms:
a- small fish b- seabirds c-bacteria d- micro-organisms floating on the surface of the sea.
bacteria-micro-organisms floating on the surface of the sea - small fish - seabirds
micro-organisms floating on the surface of the sea - small fish - seabirds - bacteria
micro-organisms floating on the surface of the sea - small fish - bacteria - seabirds
When a drought occurs in a lake, it causes........... in ecosystem
imbalance
model
When ice .........it will change from solid state to liquid one.
boils
melts
The matter changes from one state to other by increasing or decreasing of temperature
false
Photosynthesis process takes place inside .............
stems
leaves
roots
flowers
........... transports the glucose from the leaves to other parts of plants
bacteria and fungi
Phloem
Lion is from ...............
meat eaters
grass eaters
........One example of decomposers is
seabirds
small fish
The plants make their own food by respiration
Iron rust and burning reactions are from ......... change
physical
natural
chemical
The measuring unit of mass is............
ml
liter
The roof of desert home is similar to rainforest home