What island did he stop at?
Galapagos Islands
what are the 4 main principles of natural selection
1 Variations
2 Inheritability
3 Over-production of offspring
4 Survival & reproduction rates
how did the cane toads affect the redbelliedblack snake
smaller heads
What does biodiversity mean
the variation amongst living organisms
name a country that starts with the first letter of yo name/ surname
zimbabwe
What year did he go on his voyage?
1831
between nocturnal and diurnal worms, which one will natueal seleciton favour
nocturnal
What native species were affected by the introductioin of cane toads?
Red-bellied Black Snakes and Northern Quoll
Why are two reasons why biodiversity at the gene level is important
1. for evolution to occur there must be genetic differecnes btw members of a species
2. ling term survival if the species
What anismal is being reintroduced into the wild in aus
quolls
What species did he observe on the island?
The finches!!!!!!
what feature of polar bears will dropping temps favour
insulator: thick coats
What is the toxin in cane toads called
bufotoxin
Can genetic divsrty be caused asexually
Yes
why are antelopes fast at runnign
cheetahs were a sledtion pressure as they were predators to antelope. needed to run away
Name 4 of the 13 species he found?
Large/small insectivorous tree finch, vegetarian tree finch, woodpecker finch, warbler finch, cactus ground finch, sharp-beaked ground finch, small/medium/large ground finch
Who were Darwin’s colleagues who presented Darwin and wallace’s papersln natural slection
Lyell and Hooker
Who studied the cane toads and which uni
professor rick shine from usyd
Wht is a mutation
an eriror that occurs ahe. the dna is copied cyring cell deivison
Why are some ppl lactose intolerant
because they dont produce lactase
Who was Darwin accompanying on the HMS Beagle?🤨🤨🤨🤨
Captain Robert FitzRoy
What was the name if darwins book
On the Origin of Species
whats the disadvantage of being in the front line of invasion
arthritis
plants griwn from _____ are genetically identical to the parent plant?
bulbs, tubers, runners
were adult humans originally lactose intolerant and why
yes - there was a decrease in lactase production after weaning