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- Multiple ChoicePlease save your changes before editing any questions.
What is "abiotic" ?
living
non-living
- Multiple ChoicePlease save your changes before editing any questions.
What is "biotic" ?
living
non-living
- Multiple ChoicePlease save your changes before editing any questions.
What happens if a population grows past its carrying capacity?
The population keeps growing
The population starts to die off
The entire species will go extinct
The carrying capacity just increases
- Multiple ChoicePlease save your changes before editing any questions.
The largest number of individuals that an environment can support long term is...
carrying capacity
emigration
immigration
population density
- Multiple ChoicePlease save your changes before editing any questions.Food, water, sunlight, shelter, and space are resources that are often __________.limiting factorswetmessyfound in rocks
- Multiple ChoicePlease save your changes before editing any questions.Any thing or organism that regulates the size of a population of another organism is known as __________.a limiting measurea limiting factorfactorizationmaterialization of precipitation
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following are examples of a density independent factors?
forest fire
seasonal cycles
storms
disease
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following are density dependent factors?
competition for resources
predation
disease
natural disasters
- Multiple ChoicePlease save your changes before editing any questions.
What type of factor has an increasing impact as the population size increases?
density-independent
density-dependent
cohort effect
survivorship factor
- Multiple ChoicePlease save your changes before editing any questions.
Factors like predation can have a positive benefit to the population of prey organisms because predators tend to keep prey populations below their ___________.
carrying capacity
sustainibility number
exponential growth point
competition level
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following best describes primary succession?
Volcano wipes out ecosystem that gradually grows back from ash covered soil
Volcano creates a new island of rock that must break down to form an ecosystem
Forest fire burns down forest that must bounce back over time
Tornado destroys a crop that must slowly grow back over time.
- Multiple ChoicePlease save your changes before editing any questions.
Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?
Secondary Succession
Aquatic succession
Primary Succession
Ferns must grow
- Multiple ChoicePlease save your changes before editing any questions.
How do pioneer species compare in primary and secondary succession?
primary starts with grass and weeds, secondary starts with mosses
primary starts with forest fire, secondary starts with volcano
primary starts with a volcano, secondary starts with a forest fire
Lichens and moss in primary, and grasses/ ferns in secondary
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An example of typical pioneer species, that is one that appears in the earliest stages of ecological succession is:
Oak Trees
Spiders
Weeds
Small Conifer Trees
- Multiple ChoicePlease save your changes before editing any questions.
Primary succession occurs in areas with:
very little soil
lots of soil
no soil
soil that has been disturbed
- Multiple ChoicePlease save your changes before editing any questions.
Why do grasses appear before shrubs in ecological succession?
loosen the dirt for new trees to take roots?
provide food for animals returning to the area
require plenty of sunlight to make their own food
can grow even in areas with shallow soil
- Multiple ChoicePlease save your changes before editing any questions.succession that occurs in an area with no soilecological successionprimary successionsecondary successionpioneer speciles
- Multiple ChoicePlease save your changes before editing any questions.succession that occurs in an area where soil is already presentecological successionprimary successionsecondary successionpioneer speciles
- Multiple ChoicePlease save your changes before editing any questions.the first organisms that appear in an ecological communityecological successionprimary successionsecondary successionpioneer speciles
- Multiple ChoicePlease save your changes before editing any questions.reaches a climax community quicker because soil is already presentprimary successionsecondary successionboth types of succession
- Multiple ChoicePlease save your changes before editing any questions.if there is a fire in a forest, there will be less _ in the environment?nitrogenoxygen
- Multiple ChoicePlease save your changes before editing any questions.All of the carbon in existence is continually recycled in the carbon cycleTrueFalse
- Multiple ChoicePlease save your changes before editing any questions.Which of the following removes carbon from the atmosphere?CombustionRespirationPhotosynthesisDeath
- Multiple ChoicePlease save your changes before editing any questions.Organisms that do not decompose can be buried and become what?waternutrientsairfossil fuels
- Multiple ChoicePlease save your changes before editing any questions.Which process converts carbon in the form of sugar into carbon dioxide gas?BioremediationPhotosynthesisRespirationTranspiration
- Multiple ChoicePlease save your changes before editing any questions.
If the plant population decreased, the amount of carbon in the atmosphere would _________.
Stay the same
Increase
Decrease
- Multiple ChoicePlease save your changes before editing any questions.
oxygen is a gas produced by _____ and used by ________
plants and animals
photosynthesis and carbon dioxide
animals and plants
carbon dioxide and photosynthesis
- Multiple ChoicePlease save your changes before editing any questions.carbon dioxide is a gas produced by ________ and used by __________plants and animalscarbon and photosynthesisanimals and plantsphotosynthesis
- Multiple ChoicePlease save your changes before editing any questions.What type of growth is represented behind?exponentiallogisticsa good kindrepresentative
- Multiple ChoicePlease save your changes before editing any questions.What point on the graph represents the carrying capacity?ABCD
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How does habitat fragmentation reduce genetic diversity in species?
Habitat fragmentation makes nonnative species introduction possible.
Habitat fragmentation opens migration routes.
Habitat fragmentation isolates a large population into smaller groups.
Habitat fragementation encourages open gene flow.
- Multiple ChoicePlease save your changes before editing any questions.
Biodiversity, aka biological diversity, usually refers to
the same species in a general location
the number of different species in a given area
the number of animal species in a given area
the number of plant species in a given area
- Multiple ChoicePlease save your changes before editing any questions.
A population is
a group of similar species in different areas
a group of the same species in the same geographic area.
a group of several species in the same geographic area
a group of several species along with their abiotic factors in a small area.
- Multiple ChoicePlease save your changes before editing any questions.Which biome is more likely to survive a change in the environment?High (rich) biodiversityLow (poor) biodiversity
- Multiple ChoicePlease save your changes before editing any questions.Currently sharks are on a rapid decline due to overfishing. If sharks go extinct will this affect the biodiversity of the ocean?No, sharks are not important.No, sharks will only affect the seal populations.Yes, it will disrupt the entire food chain in the ocean.Yes, but only a little.
- Multiple ChoicePlease save your changes before editing any questions.Why is biodiversity so important?Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as wellBecause it’s better to have only one variation of each species.Because it better to only have a few species on Earth.Honestly, I have no idea what biodiversity is!
- Multiple ChoicePlease save your changes before editing any questions.What is deforestation?Clearing Earth's forests on a massive scaleEating too much vegetablesGoing to a forest and pulling weedsClearing the five trees in my backyard
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Which of the following are considered biotic factors of an environment?
temperature
rock
animal carcass
cloud
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Which of the following are considered abiotic factors of an environment?
animal carcass
egg
plant
cloud
- Multiple ChoicePlease save your changes before editing any questions.
Associate the following statements with the level of Biological organization they fall under: The light, sun, soil, air and living organisms within the Rainforest.
organism
population
community
ecosystem