Because science involves a lot of replication to confirm results. That means without the systems, it would take a long time to get the results right.
Latitude and ocean currents are the ones i know.
The features that <span>distinguish animals from organisms in other multicellular kingdoms are that a</span>nimals are ingestive heterotrophs.
Answer is
body-brain barrier.
Explanation:
Mannitol injection is used to reduce swelling ande pressure around the brain.
It enhances flow of water from tissues including cerebrospinal fluid and the brain into plasma and interstitial fluid.
Answer:
Over time the beetle population will adapt as a result of natural selection because the beetles "desired" by the birds will be eaten and their population will dimish as a result. The beetles that are not eaten by the birds will have a chance to allow their population to grow because a. they aren't being eaten and b. they have more space as the other colored beetle's population is shrinking. Causing the eaten species to become less prominant and the not eaten beetle's population to grow and take over in place of the other beetles.
