An organ system is formed by.. A) two or more cells working together.

B) two or more tissues working together.

C) two or more organs working together.

D) two or more organisms working together

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

Nan element’s square on the periodic table, the number with the greatest numerical value represents the