Answer:
It needs the spines for protection
Explanation:
The cactus would develop the spines as a form of protection to protect itself from being consumed and to survive longer.
"different ears"
According to <span>Broadbent's study, depending on which ear the stimulus was done, one of the channels were used. If both ears were used then there was a channel-swapping phenomenon that proved his theory of auditory attentional selection.</span>
The third cat is heterogeneous
Answer: Fraternal, Identical, and Semi-identical. also, Siamese (conjoined twins)
Explanation:
