1 Photosynthesis occurs when plants use: Carbon dioxide
Water
O O OOS
Sunlight
Oxygen
Glucose

Why is excretion necessary to maintain homeostasis?

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

When ash and dust begin to settle on the ground, they eventually become compacted by