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Quarterly Test review 7th grade Flashcards | StudBud
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Quarterly Test review 7th grade
Quarterly Test review 7th grade
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1
Florida Everglades
Some animals will move to other locations to find food
Some plants will now need different nutrients
Some plants will give off more carbon dioxide into the air
Some animals will become sick because more diseases are present
2
ewwww sewage
increased mutualism
increased commensalism
increased competition
increased predation
3
Why is it necessary to control all but one variable when an experiment is conducted?
to plan the outcome of an experiment
to identify how the variable alone is affecting the results
to limit the number of times the experiment must be repeated
to make graphing data more simple during an experiment
4
Imperial Shrimp, are they delicious?
parasitism
competition
mutualism
commensalism
5
How does planting sea oats help protect the shores from human development?
The sea oats hold onto the sand, preventing erosion
The sea oats provide places for marine animals to give birth
The sea oats add beauty to the area, so more people will move in
The sea oats protect the houses from storms and high winds
6
Name the producer in the food web above
cougar
grass
vulture
deer
7
What do producers do that consumers and decomposers cannot do?
They transfer energy between trophic levels
They recycle nutrients from dead organisms
They convert sunlight into food.
They eat consumer, producers, and decomposers
8
ewwwww parasites
a mistletoe plant removing nutrients from a live oak tree
a sea anemone and clownfish protect each other from various predators
a bear capturing and eating a salmon fish
a hyena and lion battle for the same gazelle carcass
9
mice love cheese
the placement of the mouse
the placement of the cheese
the number of times the mouse finds the cheese
the type of mouse used to find the cheese
10
What is the independent variable in this experiment?
the amount of water given to each bean plant
the number of bean plants grown under each light bulb
the height of the bean plants on the last day of the experiment
the different colors of light bulbs used with each group
11
A desert has high temperatures and low amount of rainfall.
predators
food source
water
parasites
12
Which of the following components in a food web is essential to functioning of the ecosystem represented by a food web?
Consumers and decomposers
consumers and predators
producers and parasites
producers and decomposers
13
A chemist measures the temperature which a liquid boils.
confirming the controls in the experiments
replicating an experiment
repeating an experiment
analyzing the error in their results
14
When new evidence from experiments is presented, how do other scientists make sure that it is correct?
D
C
B
A
15
Which of these statements is an example of replication?
A scientist completes four trials for an experiment
A scientist uses three groups to test different variables
A scientist repeats calculations before reporting results
A scientist conducts another scientist's experiment
16
Which of these would be the
MOST
likely impact of large-scale removal of Earth's forests?
an imbalance in ratio of carbon dioxide and oxygen in Earth's atmosphere
a decrease in Earth's temperature
a greater amount of nutrients in Earth's soils
an increase in the amount of precipitation that falls on Earth's surface
17
2 organisms living in the same area interact in a way that is harmful for both species. What relationship is this?
commensalism
competition
predation
parasitism
18
What is the dependent variable in this experiment?
the soil the rose plants are grown in
the different light sources
the growth of rose plants
the number of rose plants
