The main purpose is protection. The lipid bilayer protects the cell from viruses and other threats to the cell. It also maintains homeostasis within the cell by monitoring the amount of substances the enter or exit the cell.
Answer:
After you have established a research question, which of the following should you do first?
put your research question into a null and alternative hypothesis
Explanation:
It expedient that after research question has been established, one needs to make a null hypothesis and alternate it, this gives a clue of what the researcher intends to find or problem to be solved.
The answer is a the nervous system
The nervous system is connected to your brain and controls each and every action in your body.
I’m pretty sure the answer is agar.
Over utilization , or also referred as overexploitation of species is very serious problem. The loss of one species can affect many other species<span> in an ecosystem.Some examples of animal species that are over utilised are:
</span> 1. Woolly Mammoths - The hunting of the last surviving woolly mammoths greatly contributed to their decline and extinction. <span>
2. Dodos - thes</span>e proverbial birds went extinct in the mid-to-late 17th century and their disappearance is directly attributable to human activity.
3. Polar bears - <span>Polar Bears have become endangered in large part because of global warming and climate change in the Arctic.
4. Muskox - </span><span>they nearly became instinct because of over-hunting throughout the late 1900s until the 1930s.
5. </span>Great White Sharks - <span>the largest predatory fish on Earth are victims of "finning" by fisherman, essentially, stripping the fins from the shark then tossing them back in the water to die or be eaten alive.</span>