SST
Note down the following in your SST notebook and submit
the same on 20/10/2016, Thursday.
HUMAN IMPACT ON ECOSYSTEM
Humans use land in many ways. They use
land for home, work, food, recreation and to supply other resources. They farm,
mine, build cities and travel. All of these activities can change environments
and cause plants and animals to lose their habitats.
LIFE CYCLE OF HONEY BEES
·
Queen bee lays egg in a wax
cell.
·
Worker bees feed hatched
larva
·
Larva reaches full growth.
·
Workers seal cell with wax.
·
Larva spins cocoon and
changes into pupa.
·
Adult bees leaves cell.
5. What is pollination?
Ans: Pollination is the process by which pollen is transferred to the female
reproductive organs of a plant, thereby enabling fertilization to take place.
6. What is the role of honey bees in
pollination?
Ans: Honey bees take the necter of a
plant and land on the same type of flower and this is also called as
pollination. This way they transfer their pollen from flower to flower.
