A. they divide in two
i dont know b sorry
Answer:
Lizards / Reptiles
(Scientific four-legged snake is: Tetrapodophis)
Explanation:
couldn't add answer ^^ ignore comment :-)
Answer:
c
Explanation:
because this is abdominal thrust
Answer:
To conclude, you cannot prove a hypothesis because you can never generalise the results to the whole population and foresee the results will always be the same in the future. You can however, reject the null hypothesis consistently, through statistical hypothesis testing so that the theory becomes highly likely to be true, but not proven.
Explanation:
Well, when chromosomes cross over during prophase 1 of meiosis, the homologous pair of chromosomes exchange segments of DNA which happen to be the genes. So the significance of crossing-over during prophase 1 is that it adds genetic variation to sexually reproducing organisms.