Symbiotic Relationships
A close relationship between two species that benefits at least one of the species is called _________.
What is Symbiosis?
________ is an animal that is hunted and killed by another for food.
What is prey?
This type of communication between organisms uses eyesight to relay messages
What is visual communication?
Two fields are the same size. Field A has 25 rabbits, and Field B has 100 rabbits. Which field has greater population density?
Field B, because it has more rabbits living in the same amount of space.
x- species
y- number of individuals
In a meadow in East Tennessee, bees fly from flower to flower, gathering nectar for their queen and pollinating the flowers as the travel. This relationships is best described as _________.
What is Mutualism?
An animal that natural hunts other animals is known as a ________.
What is a predator?
This type of communication uses the ability to hear to relay messages.
What is audible communication?
A population has a higher death rate than birth rate. Predict what will happen to the population over time if this continues.
The population will decrease.
which species has the largest and smallest population?
rabbits/foxes
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment. The best word to describe this relationships is __________.
A squid and a cod fish are both fighting for zooplankton to eat. The two animals are participating in _________.
This type of visual communication is a structural trait that cannot be changed. An example of this would be the bright red feathers of a Red Cardinal.
What is a badge?
group of deer moves into a forest from a nearby field. Is this immigration or emigration?
Immigration — the deer are entering the population.
he role an organism plays in its ecosystem, including how it gets food, where it lives, and how it interacts with other organisms.
niche
Nurse plants are larger plants that offer protection to seedlings from the weather and herbivores, giving them an opportunity to grow. This relationship can be best described as ___________.
What is Commensalism?
Two male birds are trying to woo the same female and grab her attention. The male birds are ______ with one another.
What is competing?
This type of visual communication is behavioral and changes depending on the situation. An example of this would be a Peacock showing its feathers and strutting around to attract a mate.
What is a display?
A frog population decreases even though more frogs are being born. Explain how immigration and emigration could affect the population.
More frogs may be leaving than entering, causing the population to decrease despite births.
A fungus breaks down a dead tree. Is the tree biotic or abiotic, and why?
Biotic, because it was once living.
In parasitic relationships, one animal is ______, while the other is benefited.
In commensalism, one animal is _______, while the other is benefited.
In mutualistic relationships, one animal is ______, while the other is benefited.
What is harmed, unaffected, and benefited?
A rabbit munches on some clover, unaware that there is danger nearby. As the rabbit hops to find more tasty grasses, the fox that has been silently watching moves as well. When the rabbit turns it's back, the fox pounces. This relationship can be best described as a _______ & ______ relationship.
What is predator and prey?
What are 2 of the 5 reasons for animals to communicate?
What is.... (all possible answers listed below)?
1. Attract mates
2. Warn off predators
3. Mark Territory
4. Find Food
5. Identify themselves
DOUBLE JEOPARDY!
A deer population starts with 120 deer. During the year, 25 deer are born, 15 die, 30 immigrate, and 40 emigrate. What is the final population, and did it increase or decrease?
\(120+25-15+30-40=120\).
The population stays the same because the gains and losses balance out.
A plant grows toward sunlight while competing with other plants. Is sunlight biotic or abiotic?
Abiotic