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. seaweed
C. algae
D. ice
D. ice
What level of organization in an ecosystem would include all of the following:
Grasses, rocks, deer, trees, rabbit, temperature, 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. Temperature and Rain in an area affects the growth of trees.
D. Temperature and Rain in an area affects the growth of trees.
________________ means an educated guess.
Estimate
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. sunflower
D. sunflower
_________ is the variety of species in an area.
Species Diversity
A person who studies Ecology
Ecologist
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
There are 5 levels of ecological organization. Which levels are missing from the diagram below?
Organism -> ? -> ? -> Ecosystem -> Biosphere
A. Biome, Community
B. Community, Cell
C. Cell, Population
D. Population, Community
D. Population, Community
An ecologist studies a 1m quadrat to find a total of 10 sunflowers. If the area of the field was 200m, what is the estimated number of sunflowers in the field?
2000 Sunflowers
What are the levels of organization from smallest to largest?
Organism, population, community, ecosystem, biosphere
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
Miss Sledge wants to estimate population size for crabs on Destin Beach. She uses 2 quadrats and counts 11 crabs in the first and 7 crabs in the second. The quadrats are 1m. The area of the beach is 10m. What is the estimated population size of crabs?
90 Crabs
The biosphere includes
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 requires nutrition, it respires, it reproduces
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
Miss Sledge wants to estimate population size for crabs on Destin Beach. She uses 2 quadrats and counts 11 crabs in the first and 7 crabs in the second. What is the average number of crabs per quadrat?
9 crabs per quadrat