Signals from neurons and the body's nervous system are received by the brain and the spinal cord.
OR
Signals from organs and the body's senses are received by the brain and the spinal cord. (I looked it up on quizlet to make sure I was right, and someone had organs and senses for the blanks, so I put it here just in case)
I'm not sure which answers your teacher(s) accept, but hopefully this helps.
A streamlined body is a body that is shaped to specifically reduce friction drag when moving.
Flippers and flattened tails are used to propel an animal through the water.
A smooth, almost gutless body is light, which is important when animals have to go through water quickly.
A thick layer of blubber is only used for insulation, and would hamper an animal's progress through water due to its weight.
The answer is B. thick layer of blubber.
Answer:
C
Explanation:
A. no... the finches were living in different environments making them become less similar over time.
B. no... the Galapagos are long way from Africa... not possible
C. yes... This is true ... the size and shape of the beaks makes a big difference in the type of food the finches could eat. Seed types would change as climate change and finches would with the best beak size for the food available would survive.
D. no very unlikely. DNA Evidence show that the finches were from one common ancestor
