<span>The current estimated total number of species on earth is between five million and hundred million.
The reason why it is hard to get an accurate count is because some species are very hard to find reason being that of nocturnal habits, location, and the size.
All the species which have ever lived on earth are being estimated to be extinct. It is approximately one extinction for every million species for years. Mammals species like typically persist for one million years.</span>
Answer:pollen grain
Explanation:
Because it contains male gametophyte.
Answer: It becomes more dense when it freezes.
Explanation: water becomes less dense when it freezes because ice has a cage like structure.
5 Paramecium could be accommodated in this FOV.
Explanation:
FOV refers to the field of view of the microscope.
It is the maximum length or area of specimen you can observe in a single view.
If a single paramecium occupies 20 % of the Entire FOV.
Then the number of paramecium that will be accomodate 100% of FOV will be given by ,
Paramecium.
which is equal to 5.
False.
There are several good mutations that have ensured the survival of species. Typically helpful mutations help the creature adapt to its environment or protect itself from predators.
I hope this helps! :)