The combination of a male and female gamete creates a diploid zygote.
What is fertilization?
Used to protect the new organism during external development.
What is an egg?
Behavior an animal knows from birth.
What is innate behavior?
Willingness to fight.
What is aggression?
The male reproductive organ.
What are testes?
The type of nourishment used for internal development in mammals.
What is the placenta?
Behavior gained through observation and practice.
What is learned behavior?
Showing willingness to defend and claim as their own.
What is territory?
When fertilization occurs outside of the body.
What is external fertilization?
Used for nourishment in internal development for birds and reptiles.
What is egg yolk?
Immediate simple responses.
What are reflexes?
Shows willingness to mate.
What is courtship?
When fertilization occurs inside the female body.
What is internal fertilization?
Used only in complete metamorphosis, but not in incomplete metamorphosis, to create a full body change.
What is the pupa stage?
Complex responses that occur over time.
What are instincts?
The chemicals used to show off emotions based on scent.
What are pheromones?
The female reproductive organ.
What are ovaries?
Used to hold the new organism inside the mother during internal development.
What is a uterus?
When an animal mimics the behavior of a parental figure.
What is imprinting?
Natural light is given off by animals for sight communication.
What is bioluminescence?