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Levels of Organization
Abiotic
Biotic
More Levels of Organization
Interdependency
100
List the levels of organization from least complex to most complex
Individual organism, population, community, ecosystem
100
Which is a description of an abiotic factor that makes up a desert ecosystem? A. Growth of cotton wood trees B. Extremes in day and night temperatures C. Few large predators, like coyotes D. Leafless, waxy- coated plants with sharp spines
B. Extremes in day and night temperatures.
100
A macaw is a type of parrot with colorful feathers that flies about in the upper canopy of trees in tropical rainforests. Macaws have a diet which includes fruits, leaves, nuts, and seeds of plants. Which of the following describes a biotic factor of the macaw’s habitat that provides a survival advantage for these birds? A. The colorful feathers are lost and regrow each year B. Some rainforest predators are able to climb trees C. Trees provide shelter and abundant food supplies D. During some periods, rain falls nearly every day
C. Trees provide shelter and abundant food supplies
100
Which of the following best describes a population? A. All the organisms of a certain species in a given area B. All the organisms in a habitat that compete for resources C. One individual and all the organisms on which it depends D. All of the living organisms which can be found in an area
A. All the organisms of a certain species in a given area
100
List two examples of biotic things depending on abiotic things for survival .
answers will vary
200
What level of organization would a pack of wolves represent?
Population
200
Which of the following lists includes only abiotic factors? A. Plants, animals, average daily temperature B. Rainfall amounts, average daily temperature, minerals in soil C. Minerals in soil, plants, rainfall amounts D. Animals, rainfall amounts, soil composition
B. Rainfall amounts, average daily temperatures, minerals in soil
200
Which of the following describes a biotic factor that would be an advantage to a certain species of freshwater plants in a pond ecosystem? A. Increased rainfall that leads to the habitat of the plants covering more area B. Reduction in the population of fish in the pond that eat plants C. Toxic waste and trash being dumped into the pond where the plants live D. Introduction to the pond of another species of plants that compete for resources
B. Reduction in the population of fish in the pond that eat plants
200
Which of the following statements describes a community? A. One member of a species in a given area B. All of the members of a species in a given area C. All of the members of a species that live anywhere D. All of the different species of living things in an area
D. All of the different species of living things in an area
200
Which is an interaction of a living organism with a nonliving component of an ocean ecosystem? A. A sea turtle burying its eggs in sand B. A killer whale eating harbor seals C. Dolphins communicating with each other D.A jellyfish stinging its prey
A. A sea turtle burying its eggs in sand
300
Which of the following descriptions represents the community level of organization? A. A single individual rabbit, of a certain species, living in a forest B. A group of rabbits, all of the same species, living in a forest C. All of the rabbits in a forest, as well as their predators and food plants D. All of the animals, plants, and non-living elements in a forest
C. All the rabbits in a forest, as well as their predators and food plants
300
Which of the following describes a change to an abiotic factor of a squirrel’s habitat that could be harmful to it? A. Increase in the population of food plants B. Drought that depletes available water C. Deforestation leading to reduced nesting sites D. Increase in the population of local predators
B. Drought that depletes available water
300
Which of the following describes a change in a biotic factor that will be a disadvantage for a certain species of fish living around coral reefs in shallow seas? A. Heavy rains lower the salinity of the water for a long period of time B. Excessive cold weather lowers the temperature in the area C. Other fish species, which compete for the same resources, die out D. The number of predators, such as sharks, increases dramatically
D. The number of predators, such as sharks, increase dramatically
300
Draw and label an ecosystem organization pyramid
look at student answers
300
Prairie dogs eat grasses and some insects. They build their homes by digging tunnels underground. Which of the following environmental conditions would best meet the needs of a prairie dog? A. Cool temperatures B. Limited sunlight C. Soft, loose soil D. Few plants and trees
C. Soft, loose soil
400
What is the biotic and abiotic factors that work together in an area?
Ecosystem
400
What is the lowest level of organization of the biosphere, or the one that has the fewest members?
organism
400
Which of the following describes a relationship in which one biotic thing depends on another for its needs? A. A rabbit burrowing in the ground B. A hawk catching and eating a mouse C. A frog cooling off in a pond D. An oak tree absorbing sunlight for food
B. A hawk catching and eating a mouse
500
What is all different species in one given area?
Community
500
What does abiotic mean? Give me three examples
nonliving.
500
Meat-eating desert reptiles depend on which of the following biotic factors to supply their needs? A. Daytime temperature ranges above 30 degrees Celsius B. Condensation of moisture on plants for drinking water C. Small animals in their habitat on which they feed D. Plants that bear fruits during the summer months
C. Small animals in their habitat on which they feed
500
What is a niche?
A role a species plays in a community or ecosystem.
500
Plants and animals have different needs that are met by their environment. Which of the following are examples of resources the environment provides that are needed by both plants and animals? A. Sunlight and water B. Soil and air C. Water and air D. Sunlight and soil
C. Water and air