Thursday
April 24, 2014

Homework Help: Can someone check these answers for me?

Posted by josh on Friday, October 18, 2013 at 4:15am.

1. Seahorses change color and swim together in predetermined ways before mating. These behaviors are called (1 point)
asexual reproduction.**
sexual reproduction.
courtship rituals.
budding.
2. A male peacock displays his colorful tail feathers in order to (1 point)
increase the success rate of asexual reproduction.
increase the gestation period.
release gametes into his surroundings.
attract a mate.**
3. What is the difference between internal and external fertilization? (1 point)
Internal fertilization occurs outside the male’s body, while external fertilization occurs inside the male’s body. **
Internal fertilization occurs outside the female’s body, while external fertilization occurs inside the female’s body.
Internal fertilization occurs inside the male’s body, while external fertilization occurs outside the male’s body.**
Internal fertilization occurs inside the female’s body, while external fertilization occurs outside the female’s body.
4. Which of the following is a disadvantage of external fertilization? (1 point)
Gametes are released into the surroundings.
Gametes may get washed away.
The developing zygote is protected.**
Large numbers of eggs can be fertilized at one time.
5. Which of the following is an advantage of internal fertilization? (1 point)
Gametes are released into the surroundings.**
Gametes may get washed away.
The developing zygote is protected.
Large numbers of eggs may be fertilized at one time.

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