An organism is a living thing. Multicellular organisms have multiple cells and unicellular organisms have 1 cell. Characteristics Of Organisms (Living Things)

1. Organizations (Cells)
2. Reproduction (To make babies)
3. Stimuli
4. Homeostasis
5. Metabolism (energy)
6. Evolution & adaptations

Heterotrophs get energy from eating food and autotrophs create their own food from sunlight, carbon dioxide, and oxygen (photosynthesis).

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The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users