13 questions
The process of seizing nitrogen and converting it into a usable form for plants is defined as:
Denitrification
Eutrophication
Nitrogen fixation
Ammoniafication
The process that releases nitrogen into the atmosphere by means of bacteria converting nitrogen compounds into its gaseous form is called:
Denitrification
Eutrophication
Nitrogen fixation
Ammoniafication
A marine ecosystem is represented below.
What is lost to the environment at each of the trophic levels of this ecosystem?
Nutrients from the soil
Food sources
Living space for the organisms
Heat
A food web is shown above. If the rabbit population increases, which of the following is most likely to happen soon afterward?
The deer population will increase.
The plant population will decrease.
Different birds will move into the area.
The insect population will be eliminated.
A science class is planning a field trip to a local farm that has a large pond. Which of the following lists the order of biological organization from smallest to largest that the students can expect to find at the pond?
Organism, community, population, ecosystem
Organism, population, community, ecosystem
Population, organism, community, ecosystem
Population, organism, ecosystem, community
The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?
Insects
Lichens
Grasses
Deciduous trees
The picture illustrates the process in which ecological succession occurs after wild fire. In which stage will the forest ecosystem be most stable?
I
II
IV
V
A remora is a fish that has an adhesive disk on the back of its head that it uses to attach itself to a large shark. When food floats away from the shark’s mouth as it feeds, the remora collects the scraps. Drawings of a shark with a remora attached and a remora’s adhesive disk are shown below.
The relationship between the remora and the shark is an example of —
predation
parasitism
commensalism
competition
Which answer choice best describes a community?
Praying mantises caring for their young
Three-spined sticklebacks living in estuaries
Different species of lizards occupying the same niche in a desert
Roosting mother bats recognizing their offspring
Overfishing occurs when fish and/or other marine species are caught at a rate faster than they can reproduce.
What is not a possible effect of overfishing?
A reduction in marine diversity
Causing some species to become endangered
An increase in marine diversity
Collapsing an entire marine ecosystem
Deforestation is the process by which natural forests are cleared through human activity. Sometimes, the trees are cut down and used to make a variety of products, including lumber for building homes, paper, and furniture. A second way forests are cleared is through burning. Burning the forest helps clear the land for other uses.
What is an effect that can be caused by deforestation?
Increased biodiversity
Decreased soil erosion
Stabilization of the water cycle
Release of greenhouse gases
Which of the following will increase the rate at which carbon dioxide is being added to the Earth’s atmosphere?
An increase in the combustion of fossil fuels
Humans planting trees in the Amazon forest
An increase in the area of preserved forests
Solar energy usage replacing use of fossil fuels
How did you do on these ten questions ? What do you think you might need to improve on ?
I feel confident about the review questions.
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