Humans Have a Complete Digestive System

question 94

Multiple Choice

Humans have a complete digestive system.A complete digestive system is one with _____.

• A) more than three components
• B) a mouth and an anus
• C) a liver and a gallbladder
• D) digestive enzymes
• E) one digestive opening

---

Definitions:

In Situ Conservation

The protection of species in their natural habitats, a strategy aimed at preserving ecosystems and natural populations in the environment where they naturally occur.

Ex Situ Conservation

The practice of preserving endangered species by removing part of their population from a risky habitat and placing them in a secure location, like a zoo or botanical garden.

Ex Situ Conservation

The practice of conserving an endangered species by removing part of the population from a threatened habitat and placing it in a new location under controlled conditions.

In Situ Conservation

The conservation and protection of genetic resources in their natural habitats.