All medical research is carefully planned, and this includes medical
research with animals. Experts who review a scientist’s proposed
experiment involving animals weigh several considerations before
approving each study.
The most important thing is that the research must be relevant
to human or animal health. Studies need to protect the animals’
welfare. That means that only the fewest number of the most
appropriate species may be used. Under federal law, all animals
must be treated humanely and undergo the least distress possible
Answer:
an aquatic ecosystem is an ecosystem in the body of water examples are marine ecosystem and fresh water ecosystem
Answer:
divide the number of births by population
Explanation:
<u>Answer:</u>
Neutrophils, eosinophils, and basophils are called <u>GRANULOCYTES</u> because they have prominent cytoplasmic inclusions that, in a stained blood smear, appear with identifying, characteristic colors.
