5marine science questions? will award everything! 1. goldfish, tilapia and barracuda belong to which class of fish?
a. osteichthyes
b. chondrichthyes
c. agnatha
d. countershaded 2. lamprey and remoras belong to which class of fish?
a. osteichthyes
b. chondrichthyes
c. agnatha
d. countershaded 3. while fishing you reel in a fish that you've never seen before. it is a dark blue-grey on its dorsal (top) side and white on its ventral (underbelly) side. what type of coloration does this fish demonstrate?
a. disruptive
b. cryptic
c. predatory
d. countershade

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Wich level of organization includes all the other levels or organizations

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?