the answer is A changes in abiotic factors i know it is on plato that is hard bro its the post test.
They use mutualism, echo-location to communicate.
It is a unique social interactions that are used by spinner dolphins and pilot whales. They spin as a social interaction, they start to hunt.
It is the mutualism, because create a bait ball of the fish they want to eat.
The spinner Dolphins ( Stenella longirostris ) commonly use inshore island and atoll habitats for daytime rest and social interactions and forage over deep waters at night. In Hawaii, they occur throughout the archipelago.
The pilot whales are in fact one of the largest members of the dolphin family, but they are treated as whales for the Marine Mammals Protection Regulations 1992. Although they are named pilot whales because it was thought that each pod followed a 'pilot' in the group.
To learn more about mutualism here
brainly.com/question/9557750
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Answer: They evolved from the same line as the cave bear, descending from Ursus abstrusus, a small, primitive black bear. Ursus Euarctos, a black bear, came to North America during the Pliocene Epoch before the brown bear.
Answer:
The composition of the matter stays the same.
Explanation:
I am pretty sure that this is the answer because the matter itself is not changing, it is simply changing shape. it would only be a chemical change f the composition of the matter changed.
Oxygen ( and glucose ) is produced by photosynthesis and humans do cellular respiration in which we give off the CO2 plants need :)