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Are these happy face spiders all the same species?

Published byNathaniel Welch Modified over 9 years ago

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Presentation on theme: "Are these happy face spiders all the same species?"— Presentation transcript:

1 Are these happy face spiders all the same species?
Adaptation Are these happy face spiders all the same species?

2 Yes, they are all members of the same species
Yes, they are all members of the same species. They freely mate and have similar reproductive behaviours. They live in Hawaii.

3 Meet the Liger! Meet Hobbs the ‘Liger’
- cross between a male lion and a female tiger - sterile male - challenges geographic isolation because interbreeding between species occurs, BUT ligers are typically sterile therefore this is ‘unsuccessful breeding’

4 Adaptations Adaptations are inherited traits that improve the chances of survival and reproduction of organisms 3 types Physical Adaptations Behavioural Adaptations Physiological Adaptations

5 Physical Adaptations Structural/anatomical adaptations In birds
Wings Feathers Opposable thumb in Panda Bears Polar bears - Black skin and hollow hairs

6 Behavioral Adaptations
Courtship- mating ritual Migration- geese fly south for winter Nocturnalism- active during the night Metabolism- how fast an individual uses food for energy Hibernation – sleeping through the winter Estivation - slowing of metabolism in some animals during a hot or dry period Lyre bird: Bird of paradise:

7 Physiological Adaptations
Pheromones chemicals secreted by organisms to attract or repel other organisms Examples: Sexual attractants or alarms Poison glands (frogs) Enzymes - control bodily functions Venom by snakes Toxins produced by plants & animals (skunk, sea anemones)

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