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if you mean absorbing salt from there environment, it is wrong because they cannot just absorb more salt. whatever they take in from the water is what is taken in, like there is only so much salt in the environment and there is hardly any in the fresh water. and also they use their gills for...

14 is a and 19 is c im fairly sure

Nah, I asked a couple of teachers and some other people and they said it definately wasn't D because that is cloning and that the answer is C

Oh really yay! thankyou! well done to you too :) Afterwards I asked my teacher about question 11 (the hybridisation question) and she seemed to think that C was wrong which was what I put because it produces a bengal cat which is a different species or something? She thought it could have been...

my teacher seemed to think that with the hybridisation question it was D? I put C though..im not sure does anyone know what the answer was?

Hey guys can anyone tell me approximately what mark im looking at? like from what everyone thinks the answers aree.. thankss :) 1. b 2. c 3. a 4. c 5. a 6. c 7. b 8. b 9. b 10. d 11. c 12. c 13. d 14. a 15. a 16. d 17. d 18. b 19. c 20. b thankyouuuu