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- Multiple ChoicePlease save your changes before editing any questions.
What is an ecosystem?
habitat with abiotic factors added
very small habitat
living organisms interacting with each other and the non-living things in their environment
all the different populations that live together in an area
- Multiple ChoicePlease save your changes before editing any questions.
Which factor is an abiotic factor?
lion
plant
water
air
both air and water
- Multiple ChoicePlease save your changes before editing any questions.
Biotic factors are the
non-living parts of an ecosystem.
weather and climate.
living organisms in an ecosystem.
- Multiple ChoicePlease save your changes before editing any questions.
Abiotic defines the living parts of an ecosystem.
TRUE
FALSE
- Multiple ChoicePlease save your changes before editing any questions.
The place where an animal lives and gets what it needs to survive is
Community
habitat
environment
niche
- Fill in the BlankPlease save your changes before editing any questions.
A ________ is an organism that makes its own food.
- Multiple ChoicePlease save your changes before editing any questions.
What is a system that is formed by the interaction of a community of organisms and its environment?
evaporation
ecosystem
solar system
water cycle
- Multiple ChoicePlease save your changes before editing any questions.
What are the nonliving parts of the environment, such as water, dirt, and air?
abiotic factors
biotic factors
ecology
Biosphere
- Multiple ChoicePlease save your changes before editing any questions.
How does carbon enter the soil?
Through photosynthesis
Through dead organisms
Through cellular respiration
Through combustion
- Multiple ChoicePlease save your changes before editing any questions.
How do plants use carbon dioxide in photosynthesis
It is used for cellular respiration
It is used to make sunlight
It is used to produce carbohydrates
It is released as a byproduct of photosynthesis
- Multiple ChoicePlease save your changes before editing any questions.
The water that is not absorbed into the ground and that may end up in lakes, river, and streams is called what?
Precipitation
Run-off
Water vapor
Transpiration
- Multiple ChoicePlease save your changes before editing any questions.
Most of the earth's producers use the energy in sunlight to change carbon dioxide and water into which products?
nitrogen and protein
carbon monoxide and fats
oxygen and glucose
ozone and complex carbohydrates
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following statements is true about photosynthesis?
photosynthesis uses oxygen and water to produce glucose and carbon dioxide
photosynthesis uses carbon dioxide and oxygen to produce glucose and water
photosynthesis uses glucose and water to produce oxygen and carbon dioxide
photosynthesis uses water and carbon dioxide to produce glucose and oxygen
- Open EndedPlease save your changes before editing any questions.
Which factor would have the greatest effect on the flow of energy into an ecosystem?
A) a large decrease in the amount of sunlight available
B) a large increase in the number of carnivores
C) a small increase in the number of decomposers
D) a small decrease in the amount of minerals available
Which of these answers do you think is correct? Why do you think it is correct?