Answer:
500-million-year-old fossil found in BC is ancient ancestor of spiders and scorpions. Palaeontologists in British Columbia have found a fossil of the oldest known ancestor of scorpions and spiders.
Answer:
The answer is C.
Explanation:
There are dominant alleles present in three out of four (CC, Cc, Cc) and the recessive is always cc. Three out of four make 75% and one out of four is 25%. That makes 75% dominant and 25% recessive.
I hope this helps!
A certain structure in a cell that serves a certain purpose or function.
Answer:
These mice have lack of hormones that regulates the concentration of glucose in the body.
Explanation:
The body of these mice produced less or no adrenaline hormone that is responsible for the increase of glucose in the blood due to which blood glucose drops dangerously. If these mice has that adrenaline hormone and it works properly so blood glucose does not drops dangerously in these mice so we can say that lack of adrenaline hormone is responsible for this problem.
