Symbiotic
Relationships
Relationships
Food Webs
Biomes
Ecosystems
100
A symbiotic relationship where both organisms benefit (++)
Mutualism
100
An animal that eats only plants is called:
A primary consumer or a herbivore
100
What two major characteristics determine a biome?
Temperature & precipitation
100
What are the levels of organization in an ecosystem?
Organism- Population- Community- Ecosystem
200
A symbiotic relationship where one organism benefits but the other is unaffected:
Commensalism
200
Name two primary consumers in this food web.
Grasshopper, mouse, and rabbit
200
There are two types of aquatic biomes. What is the difference between a marine and a freshwater biome? Provide an example of each.
Fresh water- low salt like a lake or river
Marine- High salt like the ocean
200
What is the difference between biotic and abiotic?
Biotic means living like plants and animals.
Abiotic means nonliving like rocks, air, and water.
300
Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds.
A. Parasitism
B. Competition
C. Predator and prey
D. Producer and consumer
B. Competition
300
What would be the impact if rabbits suddenly died off?
The competition between the fox, hawks, and owls would increase as they rely on mice more.
300
What biome has warm summers, cold winters and receives at least 5cm of precipitation a year?
Deciduous Forest
300
How would a decrease in the grasshopper population impact this ecosystem?
It would cause increased competition between the shrews, spiders, and mice.
400
What is the difference between mutualism and parasitism?
In a mutualistic relationship, both organisms benefit but in a parasitic relations, one organism benefits while the other is harmed.
400
Where is the majority of energy concentrated in this food web? Where is the least energy concentrated?
The majority of the energy is concentrated at the bottom of the food web with the consumers and the least at the top of the food web with the tertiary consumers.
400
Which biome has a permanently frozen layer of soil called permafrost?
Tundra
400
Which best describes a food web?
A. a more complex food chain that shows how organisms are able to digest their nutrients
B. a combination of food chains that show how organisms interact to get their required energy and matter
C. a single food chain that shows how organisms interact to get their required energy and matter
B. a combination of food chains that show how organisms interact to get their required energy and matter
500
Oxpeckers are a type of small bird that land on zebras and eat ticks and other parasites that live on the zebra’s skin. The oxpeckers get food and the zebras get pests removed.
Organism 1: helped | harmed | not harmed Organism 2: helped | harmed | not harmed Symbiotic Relationship:
Organism 1: helped
Organism 2: helped
Symbiotic Relationship: Mutualism
500
Match the organism with it's source of energy
Producers | Consumers | Decomposers
Sources of energy:
Producers & Consumers, Decaying Matter, The Sun
Producers- The Sun
Consumers- Producers/Consumers
Decomposers- Decaying Matter
500
The largest biome in Southern Africa is dominated by grasses, shrubs, and small trees that mostly grow during the short rainy season. What are grasslands that are located closer to the equator than prairies?
Savanna
500
Describe the two food chains the snake is a part of and the snake's role:
Grass- Grasshopper- Bird- Snake- Hawk
Grass- Grasshopper- Frog- Snake- Hawk
In both food chains, the snake is the tertiary consumer.