SCI 200--Unit Milestone--Practice 1
Questions and Answers 100% Solved
Correctly identify what event, agent or process of those given below is responsible for the current
atmosphere on Earth of 20% oxygen.
Volcanic ac
...
SCI 200--Unit Milestone--Practice 1
Questions and Answers 100% Solved
Correctly identify what event, agent or process of those given below is responsible for the current
atmosphere on Earth of 20% oxygen.
Volcanic activity
Photosynthesis
Ozone layer formation
The water cycle ✔✔Photosynthesis
Which of the following statements about continental drift is true?
Because of continental drift, the majority of most continents' landmass remains underwater, which
has severely limited biodiversity.
After the continents were separated, continental drift slowed, until today it is almost nonexistent.
All of the continents were once one big super-continent, but their separation created more
coastline, which was beneficial for biodiversity.
About one hundred million years ago, all of the continents were one giant landmass called Pangaea.
✔✔All of the continents were once one big super-continent, but their separation created more
coastline, which was beneficial for biodiversity.
Pollination is an example of a __________ service.
supporting
cultural
provisioning
regulating ✔✔regulating
Which of the following correctly defines an ecosystem?
A biological community of living and non-living organisms and their environment
The practice of using resources without depleting them for future societies
The variety of life existing in a specific region
Dependence of species upon one another ✔✔A biological community of living and non-living
organisms and their environment
Match the graph image with its type and common use.
Scatterplot that is used to show the relationship between two characteristics
Flow diagram that is used to show process, sequence or flow
Pie chart that is used to show groups within a group
Histogram that is used to show the frequency of c
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