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Absolute Dating: A technique used to determine the actual age of a fossil.
Relative Dating: is the science of determining the relative order of past events, without necessarily determining their absolute age.
Homology: the state of having the same or similar relation, relative position, or structure.
Homologous Structures: of an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor.
Divergent Evolution: is the process of tracing back two or more species to their common ancestor.
Vestigial Organs: Vestigial organs are organs of the body which are smaller and simpler than those in related species.
Bioinformatics: the science of collecting and analysing complex biological data such as genetic codes.

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Describe how homology supports the idea that species have changes ver time. (with examples.) 

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Describe how homology supports the idea that species have changes ver time. (with examples.) 

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should we use genetic technology to bring back to extinct species? Discuss your point 

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should we use genetic technology to bring back to extinct species? Discuss your point 

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no, they're dead for a reason.
yes, it'd be cool.

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Compare and contrast absolute and relative dating of fossils. 

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Compare and contrast absolute and relative dating of fossils. 

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difference: absolute dating gives us a more specific age of fossils, relative is only a comparison, did it come before or after another fossil

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justify or refute this statement. 'Australians have a responsibility to conserve their unique.' 

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justify or refute this statement. 'Australians have a responsibility to conserve their unique.' 

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Australian ecosystems have high biodiversity.
Overall, Australia is home to almost 10% of the world’s biodiversity. It is also home to a high number of endemic species. These are only found in Australia, because it has been isolated from other continents for millions of years. Australia is one of the mega diverse countries in the world.

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Deduce why fossils of soft organisms, such as jellyfish are extremely rare. 

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Deduce why fossils of soft organisms, such as jellyfish are extremely rare. 

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Fossil jellyfish are rare because they have no bones or other hard parts to turn into fossils. Instead, scientists have to look for so-called "soft fossils," when organisms are quickly buried in sediment, leaving an imprint in the rock.

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What is the advantage to a species when very large numbers of offspring are produced?

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What is the advantage to a species when very large numbers of offspring are produced?

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More competition for mates, leads to stronger offspring. More chance of species survival. Less competition against other species.

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How much variation would you expect to see in a species where very large numbers of offspring are produced by asexual reproduction?

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How much variation would you expect to see in a species where very large numbers of offspring are produced by asexual reproduction?

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Not much - as offspring are identical to parent

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What disadvantage of sexual reproduction was cited by one of the scientists?

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What disadvantage of sexual reproduction was cited by one of the scientists?

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- competition between males
- less efficient at producing large number.

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- more variation in the population.
- population more suited to environment.
- stronger gene pool.

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Explain what is meant by sexual selection?

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Explain what is meant by sexual selection?

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production of offspring from the most attractive males/females - strength of favourable genes.

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In paragraph 1 the term evolutionary selection is used. Try to explain what this means.

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In paragraph 1 the term evolutionary selection is used. Try to explain what this means.

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selection by evolution. natural selection, evolves changes over time to better adapt to environmental changes.

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Does the evidence cited suggest there is more benefit to a species to reproduce asexually or sexually? 

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Does the evidence cited suggest there is more benefit to a species to reproduce asexually or sexually? 

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sexually - more variation, people can adapt better through natural selection.

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Do humans share genes with every living organism on Earth? 

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Do humans share genes with every living organism on Earth? 

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- we have common ancestors
- same environment
- yes, probably
- similar characteristics
- yes, common ancestors and development from one another.
- Charles Darwin theory of evolution.

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Evolution: change in the genes of population from generation to generation by such processes as mutation, natural selection and genetic drift.
Extinction: the fact or condition of being extinguished or extinct.
Fossils: any remains, impression, or trace of a living thing of a former geologic age, as a skeleton, footprint, etc.

Species: a class of individuals having some common characteristics or qualities; distinct sorter kind.

Asexual Reproduction: reproduction, as budding, fission, or spore formation, not involving the union of gametes.

Sexual Reproduction: reproduction involving the union of gametes.

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Why do Australian animals differ from African animals?

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Why do Australian animals differ from African animals?

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- they ave different surroundings.
- environmental pressures caused adaption.
- different appetites
- different environments
- different predators and prey availability
- they come from different habitats and climates.
- evolution

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- no :) animals are alway becoming stronger and better suited.
- when species become extinct.
-  no, because our environment is always changing and we develop to adapt to the environment.

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Why have some species become extinct when other have not?

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Why have some species become extinct when other have not?

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- adaption to environment → temperature.
- food chain positions.
- breeding amount + progress.
- hunting and eating.
- natural disasters/global warming.
- natural selection.
- human impacts.
- some species have evolved much faster which keeps them from becoming extinct.
- type of environment
- food availability.

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- process of an organism adapting to become stronger and a better version of itself.
- species evolving and changing overtime.
- adaption

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What do fossils have to do with evolution?

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What do fossils have to do with evolution?

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- piece of evidence that determines development of characteristics age of fossils and preserve traces of animals, plants, etc and how they have changes.
- they show extinct animals and the characteristics that change or have changes over time.
- show that evolution exists and how organisms have evolved over time.
- show how organisms have change over time.
- show progression of organisms over time.