Year 7 Science - Revision Crossword

________________ diversity - the variety of genes (genetic material) within a species. No two individuals in a species are the same (except identical twins).
______________ diversity - refers to all the types of species that can be found in a habitat. Some habitats such as rainforests and coral reefs have many species.
Can refer to the variety of species or the variety of ecosystems on Earth. All differences within a species ares examples of _______________.
____________ diversity - Australia has a high ______________ diversity. In Queensland alone, we have over 1000 different types of vegetation ecosystems including rainforest, desert, coral reef, mangroves etc.
A food chain always begins with a _________________, which can convert energy in sunlight into sugars (photosynthesis).
Animals which cannot make their own food are called ________________.
Animals are consumers, but those that eat only plants are called _____________.
Animals that eat other animals are called ________________.
A __________ ____________ shows the flow of food (and energy) in an ecosystem. The direction of arrows mean "is eaten by".
Several food chains linked together to show all the feeding relationships in an ecosystem are called ___________ ___________.
The top level preditor in a food web is called the _________ preditor.
________________ species (feral species) have casued problems in Australia and around the world. Examples of these in Australia include foxes, rabbits, prickly pear, and cane toads.
_______________ species are those that were once domesticated and have become wild (e.g. pigs, horses, goats and cats).