« previous next »

Author Question: While sampling marine plankton in a lab, a student encounters large numbers of f (Read 831 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Aug 5, 2013
While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)
A) chordate.
B) echinoderm.
C) mollusc.
D) nematode.
E) arthropod.


camila

  • Hero Member
  • *****
  • Posts: 705
Reply #1 on: Aug 8, 2013
Answer has to be C, trust me!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Charlie

  • Hero Member
  • *****
  • Posts: 640
Reply #2 on: Oct 18, 2013
Wonderful, you were right, thank you so much.


« previous next »
 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Portrait of a Shy Albatross. Note the large, hooked beak and nasal tubes. Portrait of a Shy Albatross. Note the large, hooked beak and nasal tubes.
The proboscis monkey demonstrates that large gut size contributes to a lower EQ. The proboscis monkey demonstrates that large gut size contributes to a lower EQ.
Here’s how you can demonstrate sampling error Here’s how you can demonstrate sampling error
An overweight child not only has different kinds of encounters with his peers An overweight child not only has different kinds of encounters with his peers
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
A taproot system consists of a large main root together with its lateral branchings A taproot system consists of a large main root together with its lateral branchings
Video: Glycolysis Animation

For a complete list of videos, visit our video library