Author Question: Internal and external fertilization both A) produce single-celled zygotes. B) oc (Read 517 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
Internal and external fertilization both
A) produce single-celled zygotes.
B) occur only among invertebrates.
C) occur only among terrestrial animals.
D) depend on the use of intromittent copulatory organs.
E) occur only among birds.



coco

  • Hero Member
  • *****
  • Posts: 739
For sure it has to be A Mark as solved once you're done!



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library