WARM DESERTS

WARM DESERT

 

By Marcos Montero 

 

 

INDEX 

Type of Ecosystem

Characteristics

Interaction with humans: Positive & Negative

Food Chain

Food Web

 

 

 

TYPE OF ECOSYSTEM & CHARACTERISTICS

An Ecosystem is a group of living and non-living things that live in the same area.

Warm desert is a terrestial ecosystem. 

CHARACTERISTICS

Animals

camel

The animals that live there, survive on very little water. Most of animals that live in the desert sleep during the day because it is too hot. They come out at night to eat.

Some of desert animals are: camels, snakes, foxes, scorpions, desert tortoise and lions

 

Temperatures are very high during the day and cool at night.

Precipitation is scarce. There is no precipitation.

Vegetation.- There is very little vegetation because there is no rain. Some of them are: cactus, palm trees, shrubs. Many plants have thick leaves in the desert to retain water. The soil is very sandy.

cactus

palm desert

shrubs

sandy soil

WHERE IS LOCATED? WORDL´S DESERTS

 INTERACTIONS WITH HUMANS

POSITIVE

There are many actions we can take that will have a possitive effect on the planet:

1. Stop polluting the environment
2.  Control animal hunting to avoid some especies extinct

NEGATIVE

We urgently need to control human activity in order to protect many species of plants and animals will become extinct. (like foxes or leopards, their fur is used to make coats).

Natural resources will desapear

Water will become too polluted to drink and animals or plants will die.

fox

leopard

FOOD CHAIN

One living thing eats another living thing. This is how energy passes from one living thing to another living thing.

1. Producers (plants) eat Descomposers (bacteria and fungi) 

2. Consumers eat producers or another consumers 

primary consumers = herbivores
secondary consumers = carnivores
tertiary consumers = omnivores

1. 
   

   

   producers

   

   Descomposer

consumer

other consumer

producers

FOOD WEB

Food web shows how one living thing is eaten by another living thing

 

EXAMPLE OF FOOD WEB

1. Rabbits eat grass

2. Snakes eat rabbits

3. Hawks eat snakes

4. Coyotes eat Hawks

5. Lions eat Coyotes