Which of the following is an example of an open system?

A. a sealed aquarium containing plants and animals
B. The earth
C. The ocean
D. a closed thermos

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

Drag each label to the correct location on the chart. match the function to the type of tissue