Because during sleep animals can recuperate and gain new strengths so they can tackle the challenges of the new day. Sleeping has protective functions for the brain because it removes toxins that build up during the day. Furthermore, sleep is helpful because the animal can rest during sleep and be ready for each new day.
Answer:
When the molecules are equal on both sides of the membrane it is Isotonic
Explanation:
Equal amounts of water are coming in and out
I hope this helps!!!
An exotic species is not native to the environment that it is introduced to. Exotic species rarely cause environmental harm. Invaasive species, however, are introduced to a new environment and tend to cause harm in some form, whether it is detrimental in an economic or environmental way.
