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They see if the animals respond to light and sound They do this by observing changes in the animals’ brain signals, breathing, heartbeat, and muscle activity They see if the animals’ eyes are closed They can tell this by seeing if the animals lie down or not
They see if the animals respond to light and sound. They do this by observing changes in the animals’ brain signals, breathing, heartbeat, and muscle activity. They see if the animals’ eyes are closed. They can tell this by seeing if the animals lie down or not.
spend some time resting close their eyes when sleeping are good sleepers are poor sleepers
need to have a good sleep after they have exhausted themselves by getting rid of hunting animals need to have a good sleep after they get tired from hunting other animals are all mammals almost always have a safe resting place
such as turtles and snakes cannot close their eyes cannot be studied with an EEC do not sleep in the true sense of the word do not need to rest
such as turtles and snakes cannot close their eyes cannot be studied with an EEC do not sleep in the true sense of the word do not need to rest
spend some time resting close their eyes when sleeping are good sleepers are poor sleepers
Dolphins have highly evolved. Mammals don’t eat plants at all. All fishes developed from land animals. Dolphins were once closely related to humans.
these animals rarely need any rest they almost always keep alert to danger they often stay awake their eyes are rarely closed even when they are asleep
need to have a good sleep after they have exhausted themselves by getting rid of hunting animals need to have a good sleep after they get tired from hunting other animals are all mammals almost always have a safe resting place