5. A scientist lists the characteristics of an organism that he is observing. It is multicellular. It has cell walls made of cellulose. It makes its own food. In which of these kingdoms should the organism be classified? A. Animalia B. Archaea © Fungi D. Plant​

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

20 point pls brianliest 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?