21. The table below shows description of sizes of glomeruli renal tubules of two animals which are
living in different environments
Animal X
Animal Y
Glomeruli
Large and few
Small and many
Renal tubules
Short
Long
(a) Name the likely environment in which each animal lives
: (i) Animal x
(ii) Animal y​

What is the 77 element on the periodtic table

Me 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?

Coral have a symbiotic relationship with what in order to eat?