1. Introduction to Biology

Which of the following is an example of a type of heterotroph?

Which of the following best explains why plants are able to grow and respond to their environment, because they are living organisms?

Which characteristic of life do both corals and humans share?

The trunk of a tree is its _____.

Which of the following is NOT one of the seven characteristics of life?

Flies, such as the common fruit fly (Drosophila melanogaster), have a short life cycle. Approximately how many days does it take for a fruit fly to complete its life cycle from egg to adult under optimal conditions?

Which of the following best explains why a shell is not considered biotic?

Which of the following best defines an organism?

Which of the following terms describes a muscle that is limp and without tone?

Which of the following is a specific characteristic of an individual organism that demonstrates it is alive?

Which of the following do multicellular organisms possess to help them function efficiently?

Which most accurately describes the characteristics of saprophytes? They:

Which of the following is NOT one of the four basic characteristics used to identify animals?

Which of the following best describes a carnivore?

Which of the following is NOT considered a characteristic of life?