Biotic
Which of the following examples is biotic?
A. decomposing leaves
B. rocks
C. sand
D. water
A. decomposing leaves
Which of the following examples is abiotic?
A. whale
B. krill
C. phytoplankton
D. iceburg
D. iceburg
What level of organization in an ecosystem would include all of the following:
Grasses, rocks, deer, trees, rabbit, temperature, partly cloudy
A. ecosystem
B. population
C. community
D. organism
A. ecosystem
Which of the following is an example of an interaction between a biotic and abiotic factor?
A. Wind blows sand into a sand dune.
B. Lions consume other animals for energy.
C. Rain increases the rate of water flow in a river.
D. Climate in a given region affects the growth of trees.
D. Climate in a given region affects the growth of trees.
Which of the following is a population?
A. Sun, grasses, tree, water
B. grasses, tree, mushrooms
C. water, soil
D. mushrooms
D. mushrooms
Mushrooms, trees, and grass are example of
A. plants
B. biotic factors
C. abiotic factors
D. animals
B. biotic factors
Which of the following are abiotic?
A. water, rocks, air
B. plants, water, rocks
C. fish, plants, coral
D. water, rocks, algae
A. water, rocks, air
A community can include
A. rocks
B. spring water
C. rainfall
D. mice
D. mice
Which word best describes the food that humans eat for energy every day?
A. abiotic
B. biotic
C. hypnotic
D. cryptonic
B. biotic
Cactus, mice, rats, rattlesnakes, roadrunners, and trees are examples of
A. a community
B. a population
C. an ecosystem
D. an organism
A. a community
What is a biotic factor?
Anything that is living or was once living
Carbon dioxide, oxygen, and water are all considered abiotic factors because
A. they are living
B. they are made of cells
C. they are not alive
D. they can reproduce
C. they are not alive
Within an ecosystem, there are levels of organization. Which levels are missing from the diagram below?
Organism -> ? -> ? -> Ecosystem
A. Biome, Community
B. Community, Cell
C. Cell, Population
D. Population, Community
D. Population, Community
A class of students took a field trip to observe a local nature area. From their observations, they made a list of abiotic and biotic factors and discussed the interactions between the two.
What are some relationships between abiotic and biotic factors the students may have observed in the ecosystem?
A. Biotic factors rely on abiotic factors for water, shelter, and light in an ecosystem.
B. There is no relationship between abiotic and biotic factors in an ecosystem.
C. Abiotic factors rely on biotic factors to exist in an ecosystem.
D. Biotic factors only rely on other biotic factors to survive in an ecosystem.
A. Biotic factors rely on abiotic factors for water, shelter, and light in an ecosystem.
Which example best describes the smallest level of organization within an ecosystem?
A. Tree frogs in a rainforest
B. A tree frog in a rainforest
C. Tree frogs, ferns, mosquitos, and lizards in a rainforest
D. Tree frogs, ferns, rain, sunlight, and clouds in a rainforest
B. A tree frog in a rainforest
True or False.
Biotic factors do not need abiotic factors to survive
False
What are air, water, and sunlight consider to be?
A. carnivore
B. biotic
C. herbivore
D. abiotic
D. abiotic
Which of the following examples best represents the community level of organization?
A. one deer
B. a herd of deer
C. deer, trees, grass, rabbits, soil, water
D. deer, rabbits, birds, mice
D. deer, rabbits, birds, mice
Which of the following is biotic interaction with biotic?
A. Deer drinking water
B. Plant using soil to anchor itself
C. Bees spreading pollen
D. A snake sunbathing on a rock
C. Bees spreading pollen
The biosphere describes
A. all non-living things on Earth
B. all abiotic factors on Earth
C. all birds on Earth
D. all living things on Earth
D. all living things on Earth
What are the characteristics of a biotic factor?
It is made of cells, it grows, it reproduces, and it uses energy
What is an abiotic factor
Anything that is non-living
The ecosystem level of organization includes
A. only biotic factors
B. only abiotic factors
C. both biotic and abiotic factors
D. only the water
C. both biotic and abiotic factors
A community describes
A. a single living organism
B. organisms of the same species
C. non-living things like rocks
D. all organisms of different species in an area
D. all organisms of different species in an area
A population, organism, and community contain
A. abiotic factors
B. abiotic and biotic factors
C. biotic factors
D. non-living things
C. biotic factors