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