Unit 1B Review Interdependence Of Life Question Preview (ID: 54967)
Review For The Unit 1B Test.
TEACHERS: click here for quick copy question ID numbers.
Why is water important to living organisms?
a) It helps organisms release carbon dioxide
b) It helps organisms breathe oxygen
c) It helps organisms dissolve certain substances
d) It helps the organisms remain disease free
What is one way that the circulatory system helps maintain body temperature?
a) By carrying heat around the body
b) by controlling the flow of blood to the skin
c) by carrying nutrients to the cell
d) by speeding up blood flow to generate heat
Which of these is an example of a response to external stimuli?
a) a squirrel runs away from a dog that is chasing it
b) a person drinks water because they are thirsty
c) a person eats food because they are hungry
d) a person yawns when oxygen levels in the blood are low
What is an example of internal stimulus?
a) a sudden change of air temperature
b) an artificial light that attracts bugs
c) more water available to a cacti
d) lower oxygen levels during exercise
What kind of factors are light, temperature, and soil composition?
a) biotic (living)
b) abiotic (non-living)
c)
d)
Which of these is a biotic factor of an ecosystem?
a) sun
b) bugs
c) air
d) dirt
Which of these describes a community?
a) the rainforest
b) a tree where a bird lives
c) a forest of birds, insects, and squirrels
d) the ocean
What is a key element found in all carbohydrates, lipids, proteins, and nucleic acids?
a) ammonia
b) carbon
c) nitrogen
d) legumes
What is an example of a producer?
a) grass
b) ant
c) sun
d) bird
What is an example of a decomposer?
a) sun
b) grass
c) bat
d) fungi
Which of these is likely to result in the most competition?
a) organisms that use the same resource
b) organisms that share an ecosystem
c) organisms that live in different ecosystems
d) organisms that are classified in the same phylum
Which of the following is an example of competition that could be found in a forest?
a) deer eat berries and their droppings seed new areas creating more berry bushes
b) two wolf populations use the same deer population as their main food source
c) less rain restricts the growth of certain plants
d) Cloudy weather restricts the growth of certain plants
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