Select the correct statement about nephrons.
a. podocytes are the branching epithelial cells that line the tubules of the nephron.
b. filtration slits are the pores that give fenestrated capillaries their name.
c. the parietal layer of the glomerular capsule is simple squamous epithelium.
d. the glomerulus is correctly described as the proximal end of the proximal convoluted tubule.

How do living things obtain phosphorus

List five ways we are indebted to phytoplankton

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?