Food chain and web
Where do plants get their energy from?
The sun
What is the word for relationship between two organisms in an ecosystem?
Symbiotic relationship
What is a vertebrate?
Animals have backbone (spine)
What are some of the native flora and fauna in the Simpson Desert? Name 6 species.
kowari, red kangaroo, frekled duck, Australian pelican, banded stilt.
Zygochloa paradoxa grass, spinifex
What is an ecosystem?
A biological community of interacting organisms and their surrounding environment.
True or False: a herbivore only eats plants
True
What are some symbiotic relationships in ecosystems? Name four examples.
competition, predation, commensalism, mutualism, parasitism
What is a mammal?
A class of animals that have hair or fur, give birth to their babies and females produce milk for the youngs.
What is the climate in The Simpson Desert? List 3 features.
- Exceedingly dry
- Most parts of it receiving 125mm of precipitation or less annually
- Broad temeprature range from 40 to 50 degree celcius.
- Temperature can fall below freezing in winter.
What types of algae are found on Macquarie Island?
A total of 103 algae species have been recorded, mostly red and brown algae.
What does the arrow in a food chain show?
Which animal is receiving the energy or eating the organism.
What is the relationship between lions and gazelles? Why?
Predation, because lions eat gazelles to gain energy.
What is a marsupial? Give two examples.
A group of mammal whose babies are born incompletely developed and are typically carried in a pouch on their mother's belly.
What is a habitat?
Habitat is a natural home or environment of a species to live, grow and reproduce.
How many types of seals breed on Macquarie Island? What are they?
What are the three types of organisms in a food chain? Give examples in each.
producer/consumer/decomposer
What is the relationship between heart worm and dog? Giving reason.
Parasitism
What is a monotreme?
Mammals that lay eggs.
What are the threats to the Simpson Desert's ecosystem? List three examples.
pest plants and animals
increasing numbers of tourists
Growing interest in drilling the Simpson Desert for coal and oil by mining and petroleum companies
What are some introduced species in Macquarie Island? What impact have they made on the island's ecosystem?
cats, weka, rabbits, rats, mice.
Negative impact.
Briefly explain the process of the energy tansfer.
Sun - producer - consumer - decomposer - heat
What is commensalism? Give one example
Commensalism is a relationship in which one organism benefits and the other neither benefits nor is harmed.
What is a crustacean? Give one example.
Animals have hard shell and several pairs of legs, they usually lives in water. For example, crab, prawn, crayfish.
Number the informative text order from 1-7
__ climate __ native plants __ native animals __ human impact __ location __ introduction
3 5 4 6 2 1
What types of information do you need to include in an informative text about an ecoregion? List at least 4 key aspects of information.
Name, significance, location, climate, flora (plants), fauna(animals), threats etc.