Answer:
The correct answer is - The renal portal system has an artery between the first and second capillary bed. The others have a vein.
Explanation:
A portal system is a system in which is used blood collected from one set of capillaries bed passes through a large vessel or vessels, to another set of capillaries bed before returning to the systemic circulation as the heart can not use these to transfer from all the parts of bodies.
There are several portal systems such as the renal portal system, the hypothalamo–hypophyseal and digestive portal systems, however, The renal portal system has an artery whereas others have a vein.
Answer:
please resend the photo because it isn't clear.
Answer;
A mouse loses its tail in a fight. Its offspring will not have tails.
Explanation;
Lamarck believed that traits developed during an individuals lifetime would be passed on to the individuals offspring. This is on contrast to Darwin's theory of Natural Selection: Individuals with a competitive edge within a population are more likely to survive and reproduce, thereby passing their genes explaining that particular phenotype to the next generation.
2, 3, and 4 are all statements that describe vectors
1.the universe is a never ending cycle of big bangs and big crunches.
2. A very, very fast expansion and acceperation …………..
3.the universe came from a very dense…………….
4.the universe has always been and continues to be the same.
I hope this helps