forests -our life line Flashcards
to have a good firm about the topic (to get them grades)
what is a forest?
a terrestrial habitat covered with dense vegetation.
types of forests(state atleast 2)
-temperate
-tropical
-boreal
name some important points of TROPICAL forests.
-lungs of the Earth
-pharmacy
-timber(redwood rosewood)
-serve as natural habitats
-prevents soil erosion
-many raw materials
-helps in the water cycle
-natural barriers to disasters
full form of qbasic?
quick beginners all-purpose symbolic. instruction. code
name the layers of the forest.
emergent canopy understory forest floor
name the thins and special features of the emergent layer
PLANTS- kapok, redwood, Sheesham
ANIMALS-eagle, bat, monkey butterflies
ADAPTATIONS-to hot climate, winds, sunlight height 50 - 60m have drip tips
name the thins and special features of the canopy layer.
ANIMALS-arboreal birds, bats, monkeys
PLANTS-jackfruit, mango, amla
ADAPTATIONS-large dark leaves, smooth bark 30-45 m
name the thins and special features of the understory
PLANTS-ORCHIDS, vines, palms
ANIMALS-insects,birds,snake,frog.
ADAPTATIONS-little sunlight,humid,10-30m
name the biotic in forests
animals plants
examples of abiotic and abiotic interrelations
-temperature and sunlight
-rainfall and humidity
examples of aboitic -boitic interrelations
-dispersal and pollination
-decomposition
-tree roots prevent soil erosion
-biological weathering
What is a food chain?
is defined as the linear representation of organisms to obtain energy for maintaining the ecological balance.
what is the main energy of a food chain?
Sun
what represents the flow of energy?
———> (arrow symbol)
number of organisms in a food chain
4-5 maximum
what are food chains represented by?
a pyramid
give any examples of a food chain
grass—>grasshopper—-.> za frog
organisms which do not come under a food chain
HUMANS, decomposers, scavengers
What is a food web?
a inter connection of multiple food webs.
What is a decomposers?
an organism which break down dead matter which clean the ecosystem for new arrivals .they turn it to simple substances and mix it to soil.
name the reasons for the destruction of forests
-an increase in human population
-excessive mining
-mass construction
-soil,water and air pollution
