1. a mushroom growing around a tree trunk is an example of what
a. phototropism
b. photoperiodism
c. geotropism
d. thigmotropism
2. where do carbohydrates, lipids, and proteins come from?
a. the food organisms eat
b. dead, decaying matter
c. dna in a cell's nucleus
d. the process of photosynthesis
3. a group of molecules that includes fats, oils, and waxes, and is an essential part of cell membranes and energy storage, is called what?
a. nutrients
b. proteins
c. lipids
d. enzymes

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?

26 a medida que cambia el clima, ¿qué tipo de reproducción más probablemente de a una especie mayores posibilidades de supervivencia?

In which part of the body is a ball-and-socket joint found?