Q: What are models good for? Choices: - they are expensive to make - they are identical to the real thing - they are independent variables - they give us an idea of what the real thing is like A:
they give us an idea of what the real thing is like

(Question)
Q: Unlike free-living species of flatworms that are predators or scavengers, what forms feed from the tissues of their hosts? Choices: - aquatic - mutualistic - herbiverous - parasitic A:
(Answer)
parasitic

Ques: Q: What is the network of vessels and tissues that carry a clear fluid called lymph called? Choices: - excretory system - vessel system - cleansing system - lymphatic system A:
Ans: lymphatic system

(Q).
Q: Bony fish can live in either of what type of aquatic biome? Choices: - coral reefs or freshwater - oceans or estuaries - estuaries or saltwater - saltwater or freshwater A:
(A).
saltwater or freshwater

Ques:Q: Electrons are organized into shells and subshells about the nucleus of this? Choices: - compound - molecule - element - atom A:

Ans:atom

Q: What is the stage between a zygote and polyp? Choices: - pupa - egg - worm - larva A:
larva