7LS - Learning About Life

A polar bear has fur, eats other animals, and provides milk for its young. Do you think that its classification would be more like the hermit crab's or the fossa's? Explain

A polar bear's classification would be more similar to the fossa's - both are carnivorous animals.

Which of the following activities of life science involve using a model? a. building an interactive computer program to learn about the cell b. graphing the populations of migrating monarch butterflies in the United States each year for a decade c. dissecting a frog to learn about its organs d. creating a replica of a whole dinosaur skeleton from only a few fossils

Examples a, b, and d all involve using models. Example c is not considered an example of using a model because it is dealing with an actual organism and not a representation

Explain how you would make a model to determine the height of a seventh grader.

You should mention collecting data from both girls and boys from a fairly large number of people.

is a controlled experiment the same thing as scientific inquiry? Explain

a controlled experiment is one tool of scientific inquiry. Scientific inquiry is the general process of how we solve problems.

List the levels of the modern classification system in order of increasing number, starting with the level that contains the fewest organisms.

species, genus, family, order, class, phylum, kingdom and domain.