A
What does the arrow mean in a food chain?
It shows the flow of energy in the ecosystem/feeding relationships
Name all five levels of an ecosystem.
Organism, Population, Community, Ecosystem, Biosphere
Name the four limiting factors.
Climate, space, food, and water.
What impact do decomposers have on the environment?
They return nutrients back to the soil
All animals on earth are ______________.
Consumers
Grass-->Grasshopper--> Frog---> Snake---> Hawk
What organisms will receive less energy if the grasshopper is removed from this ecosystem?
Frog, Snake,Hawk
What is a consumer?
An organism that eats another organism.
Name the four types of consumers and what they consume.
Herbivores-Plants
Carnivores-Meat
Omnivores-Plants & Meat
Scavenger- Dead Material
What type of symbiotic relationship is:
an owl and a snake feeding on rats
Competition
What is the main source of all energy in any ecosystem?
The Sun
What type of symbiotic relationship is:
a lynx hunting a snowshoe hare
Predation
What type of symbiotic relationship is this an example of:
a honeybee and a butterfly feeding on the nectar of the same flower
Competition
What type of symbiotic relationship is:
A plover bird feeds on food stuck in a crocodile’s teeth, and the crocodile gets its teeth cleaned in the process.
Mutualism
What type of symbiotic relationship is:
A deer tick feeds on the blood of a deer, and the deer loses blood and nutrients.
Parasitism
What type of symbiotic relationship is:
A hookworm feeds on the small intestine of a dog, causing the dog to lose weight and become weak.
Parasitism
Birds are trying to nest and there is no more space for them in the tree. The tree has hit its ___________________________.
Carrying Capacity
Oxpeckers are a small bird commonly found on rhinoceroses. The oxpecker feeds on the parasites that cover the rhinoceroses’ skin. The bird gets a meal and the rhinoceros is relieved of the harmful parasites.
Name the symbiotic relationship.
Mutualism
Draw an energy pyramid and include the following:
-Trophic Levels
-Names of organisms
-Types of organisms/consumers
Dr. Martin will check your board.
A male peacock spider lifts two of his front legs and flips its colorful tail flap. What is the male peacock trying to do?
Attract a mate.
What is natural selection?
When organisms with better adaptations live and the other organisms die off.
What is the difference between emigration and immigration? Give an example of each.
Emigration-exiting
Immigration-joining
An opossum mimics dead animals by releasing the smell of a sick or dead animal. Why does it do this?
To warn off predators.
If true, give an example.
True
Why is a food web more efficient than a food chain?
It has more information in a diagram.
Name all five types of symbiotic relationships.
Mutualism, predation, competition, commensalism, parasitism