snails,earthworms and slugs are considered as -------- while vultures,crabs and cockroaches are considered ---------
decomposers , scavengers
give reasons : it is better to use a food web to show interactions among living organisms than a food chain .
because food webs show interaction betweenmany food chains , so the food web contains many organisms , while a food chain shows interaction between just a few
Maple seeds and dandelion seeds can travel by wind because ------------
light
what happens if : plants leaves dont have chlorophyll.
it will not be able to capture sunlight and do photosynthesis process .
Humans can eat producers and-----
consumer
if a frog eats an insect that feeds on plants , this means that the frog is a -------
secondary consumer
give reasons : the presence of the stomata on the surface of plant leaves .
it allows the air to enter and exit the plant leaf.
its better to ----- waste materials than throwing them in the ecosystem .
recycle
shrubs have ----- stems and most of flowers have ---- stems
wood-upright
the interaction among many food chains is called ----------
food web
food materials that are produced by -------- ,process are transported from the leaves to other parts of the plant through tubes called -------
phloem
what happens if : plants is put in the dark for long time ..
the plant will die because sunlight is a basic need for the plant to live
Decomposition process happens on land as well as under--------
water
Give reasons : some living organisms obtain their needed energy by eating other living organisms .
because they cannot make their own energy from the sun
give reasons :the presence of hairlike structure in plants roots .
to increase the amount of absorbed water and nutrients .
Photosynthesis process is done by plants , so they are --------
producers
An area which that provides food , shelter and water to all living organisms which live in it , is known as ------
an ecosystem
give reasons : scavengers must work on dead animals before decomposers.
.
Give reasons : Flowers are important part in the plant .
flowers are responsible for the reproduction in the plant .