WorksheetsInteractions between Earth and Life
Total questions: 13
Worksheet time: 8mins
Which 2 processes are examples of interactions between the atmosphere and biosphere?
Acid rain and roch erosion.
Pioneer species and soil creation.
Respiration and Photosynthesis.
Moon cycles and tides.
Which is an example of the beginning of primary succession?
Bare rock after a volcanic eruption
An empty field after a forest fire.
A washed out field after a flood
none of these
Which best describes succession as shown in class?
a number of people or things sharing a specified characteristic and following one after the other.
the action or process of inheriting a title, office, property, etc.
the process of an ecosystem being established.
none of these
About what percent of Earth's atmosphere was oxygen before photosynthetic organisms evolved?
0
20
40
60
How did rising levels of oxygen in the atmosphere change the biosphere?
It allowed aerobic lifeforms to evolve.
It allowed the formation of the ozone layer.
It reacted with elements in the surface rocks.
none of these
How did rising levels of oxygen in the atmosphere change the geosphere?
It allowed aerobic lifeforms to evolve.
It allowed the formation of the ozone layer.
It reacted with elements in the surface rocks.
none of these
What 2 things coevolved in our interactions unit?
birds and reptiles
Earth and Life
dogs and cats
rocks and sediment
Thinking about the food chain Gizmo, what would happen to the grass if the hawk population increased? (Hawk eats snake who eats rabbit who eats grass.)
More grass
Less grass
no change in grass
not enough information
When reefs become more complex, what tends to happen to the amount of fish?
More fish
Less fish
no change
cannot tell
What is significant about calcium carbonate and life?
Sea creatures use it to make shells.
It is a waste product of respiration
it is the main component of granite
It dissolves in sea water.
In this type of feedback mechanism, the change is made larger.
positive feedback
negative feedback
neutral feedback
none of these
What is the pioneer species we discussed that begins the process of succession?
lichen
insects
trees
ant eaters
What elements are in all biological molecules?
carbon, hydrogen, oxygen
carbon, hydrogen, oxygen, nitrogen
phosphorus, hydrogen, oxygen, nitrogen
phosphorus, hydrogen, oxygen
