Plants
The reason a plant grows toward the light.
What is reaction to an external stimulus?
Female reproductive organ.
What is an ovary?
When male dogs urinate on a bush, they leave a message with this chemical marker.
What are pheromones?
Kittiwake chicks stand still after hatching because of this behavior.
What is innate behavior?
A complex pattern of innate behavior.
What is an instinct?
Organelle necessary for photosynthesis.
What are chloroplasts?
Type of fertilization where egg meets sperm outside of the female body.
What is external fertilization?
Communicated by dogs through growling.
What is aggression?
Societies use this behavior to organize social status.
What is dominance?
A dog puts its head down and rolls over on its back.
What is submissive behavior?
Photosynthesis takes place in this type of plant tissue.
What is dermal tissue?
This develops from a zygote.
What is an embryo?
Causes plants and animals to respond to their environment.
What is a stimulus?
A newborn duckling follows its mother due to this behavior.
What is imprinting?
The area an animal defends from members from others of the same species.
What is its territory?
Causes green light to reflect from leaves.
What is chlorophyll?
Competition with members of the same species for a mate.
What is courtship?
Pheromones, courtship, and aggression.
What are types of communication?
Instinctive behavior in response to seasonal change.
What is hibernation?
The first thing that happens when a new cell is produced.
What is it gets larger?
The process of light energy producing food in plants.
What is photosynthesis?
Source of nutrition for an embryo inside an egg.
What is a yolk?
Used by most deep water fish to attract mates and lure prey.
What is bioluminescence?
Type of behavior exhibited when birds avoid Monarch butterflies because of their bad taste.
What is conditioning?
Animals grow mostly due to this reason.
What is an increase in the number of cells?