Answer:
Oxygen is moved around the body of an echinoderm in its C. water vascular system.
Three of the major characteristics used to classify organisms are cell structure, mode of nutrition and cellularity. These characteristics help scientists determine how organisms are similar to each other as well as how they are different from each other.
Answer:
Education has the greatest value. All those activities that are good, useful and valuable from educational point of view are considered as educational values. Ruskin, “Education does not mean teaching people to know that they do not know, it means teaching them to behave as they do not behave”.
Explanation:
O+ 1 in 3 <span>37.4%
</span>O- 1 in 15 <span>6.6%
</span>
O- can receive O-
O+ can receive O+, O-
O can receive<span> O, A, B, AB</span>