Imagine That Scientists Have Discovered Annelid Life on a New

question 157

Multiple Choice

Imagine that scientists have discovered annelid life on a new planet. Remarkably, these worms are large in size, lack mouths, and appear to form symbioses with certain bacterial species. These worms MOST resemble _____ on Earth.

• A)Earthworms
• B)vestimentiferan worms
• C)leeches
• D)polychaete worms
• E)mollusks

---

Definitions:

SRY Gene

The SRY Gene is a sex-determining gene on the Y chromosome in males that triggers the development of male physical characteristics.

Determines

Refers to establishing or influencing the outcome or nature of something.

Male Sex

The biological category, typically associated with XY chromosomes in humans, that produces small, mobile sperm cells for reproduction.

Methyl Groups

Methyl groups are chemical groups consisting of one carbon atom bonded to three hydrogen atoms (-CH3), often influencing the function and properties of organic molecules.