GEOGRAPHY 3.1 and 3.4

Question 1

3.1
(BOOK/LAB COPY/TEST)
What is an ecosystem

Answer 1

An ecosystem is a unit made up of two parts:
living things (plants, animals and bacteria) and
their non living surroundings or environment - air water soil and the climate (how warm or wet it is)

Question 2

A producer found in the school playing field -grass
A consumer that is also a farm animal - cow
A decomposer that gets put on pizzas - mushroom

Question 3

An ecosystem:

Answer 3

An ecosysytem is a unit made up of living things (plants, animals, insects and bacteria) and their non living environment (air, water, light, rocks) and their climate. an example is a forest.

Question 4

3.4
Lianas

Answer 4

Lianas are thick vines that loop around tree trunks to obtain sunlight

Question 5

Epiphytes

Answer 5

Epiphytes are also called air plants as they grow on tree branches and perch there

Question 6

(diagram of a tropical rainforest)

Answer 6

(1) The roots quickly take up the nutrients again
(2) Decomposers release the nutrients from them
(3) The nutrients helpt he vegetation to grow
(4) Dead leaves and animals waste fall all year round
(5)The soil down here is poor because the nutrients dont get a chance to sink in

Question 7

Most insects and animals in the rainforest live in the canopy because it is the thickest layer

Question 8

Many leaves have drip tips so that rainwater can drip off

Question 9

Roots grow close to the soil surface so that it can absorb more nutrients

Question 10

The emergents have buttress roots so that they cannot fall/ and it stops themselves from toppling over.

Question 11

The plants on the forest floor have dark green leaves all year round so that they can trap as much as possible

Question 11

(layer) (height)
emergents 35 - 60
canopy 20 - 30
under canopy 3 - 5
shrub layer less than 1