CK-12 1.7-1.8 Biology Quiz

Which level of organization refers to a group of similar ecosystems with the same general type of physical

environment?

Cartilage is a group of cells that acts as a cushion between bones. Cartilage is an example of which level of

organization?

A single organ system is the highest level of organization for which biologists consider the complexity of an

organism.

Which level of organization refers to a group of organs that work together to perform a specific function?

The biosphere is the part of Earth where all life exists.

Which level of organization refers to a structure composed of two or more tissues working together to

perform a specific function? 

A tissue is a group of the same kind of cells.

A tissue is a group of different cell types that perform the same function. 

Select all possible answers:

Which of the following are organs of a plant?

Polar bears and brown bears share a common ancestor. Which process led to the evolution of polar bears and

brown bears from a common ancestor? 

Evolution occurs through the passing of advantageous traits from parent to offspring.

Which process explains how some members of a species pass on advantageous traits because they are better

suited or adapted to their environment?

Charles Darwin developed the theory of evolution by natural selection.

Charles Darwin described the theory of evolution by natural selection in his book On the Origin of Species.

Humans share a common ancestor with chimpanzees.

How does evolution occur?

The evolutionary process occurs in organisms through changes in traits that are passed down from one

generation to the next.