All of the following are requirements for successful external fertilization except for one. Which one is not a requirement? A moist environment. Large, energy-rich gametes. Synchronization of gamete release. Lock and key recognition between gametes of the same species.
All of the following are requirements for successful external fertilization except for one. Which one is not a requirement? A moist environment. Large, energy-rich gametes. Synchronization of gamete release. Lock and key recognition between gametes of the same species.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Requirements for Successful External Fertilization
All of the following are requirements for successful external fertilization except for one. Which one is not a requirement?
- A moist environment.
- Large, energy-rich gametes.
- Synchronization of gamete release.
- Lock and key recognition between gametes of the same species.
### Question 40
You dissect an animal and it has a long intestine and a very large cecum. What can you conclude about its diet?
- It most likely is an herbivore.
- It most likely is an granivore.
- It most likely is an omnivore.
- It most likely is a carnivore.
### Question 41
In females, when estrogen levels reach the threshold, what happens?
- It triggers the release of GnRH which causes FSH to be released and a new ovum begins to mature.
- It triggers a burst of LH which triggers ovulation.
- I acts as a positive feedback causing the pituitary to release progesterone which inhibits the production of a new ovum.
- It acts as a negative feedback on the hypothalamus and pituitary preventing the release of FSH and LH.
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