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Unit 1 Review
Unit 1 Review
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Unit 1 - Matter and Energy in Organisms and Ecosystems
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
Which of the following explains why a flower native to China growing in your backyard?
the seed were carried by water to your backyard.
wind blew the seeds from China
a human brought the seeds from China
an animal ate the seeds and then pooped the out in your yard
2
_________ cycle nutrients from dead organisms back to the soil, so it is available for plants.
decomposers
consumers
euterotrophs
producers
3
Water is a(n) __________ factor in all ecosystems that all living things require.
abiotic
biotic
4
Which of the following is a not result (output) of photosynthesis.
Chemical energy
Light Energy
Oxygen
Glucose
5
The ____ biome is characterized by its lack of trees, warm temperatures, and moderate rainfall.
Deciduous Forest
Rainforest
Tundra
Grassland
6
Spoonbills are birds that eat shrimp, fish and plants. Which words classify this species?
omnivore, predator, heterotroph
autotroph, omnivore, predator
heterotroph, herbivore, carnivore
carnivore, autotroph, prey
7
Which of the following is used to determine the type of biome.
Climate
Size
Minerals
Human development
8
Which of the following is an
abiotic
factor that is critical to a polar bears survival?
temperature
kelp
fish
seals
9
Energy pyramids show energy in the form of _ is lost as it is passed from one level to the next
carbon
oxygen
heat
10
Which of the following could be used as an example for how matter travels through biosphere?
merry-go-round
teeter totter (seesaw)
slip and slide
swing
11
In an effort to reduce global warming companies can buy _______ to fund restorative projects
Cows
Decomposers
Hamsters
Carbon Offsets
12
What is a likely change in this ecosystem if the mackeral population was depleted by fishing?
The one celled organisms will all die
The small fish population will decrease
The shark population will decrease
Your guess is as good as mine
13
Which of the following can explain why fossils in Europe are similar to fossils here.
ecosystems
adaptation
seed dispersal
continental drift
14
Too much fertilizer can affect a fresh water ecosystem?
fertilizers a good for everything!
decrease algae and help trout surive
kill both algae and trout
increase algae and kill trout
15
Plants need bacteria in order to take up and use which element?
nitrogen
hydrogen
oxygen
carbon
16
When water in a lake ___________ it becomes a gas and goes into the air.
condenses
jumps up and down
precipitates
evaporates
17
The energy role of a grizzly bear is that of a(n) ________ because it cannot make its own food.
heterotroph
eutrotoph
autotroph
producer
18
This species of vine is from Japan and can take over and destroy native plants, this vine is __
probably really yummy
helping the ecoystem
an invasive species
a consumer
19
______bacteria carry out the conversion of gaseous nitrogen to a useful form of nitrogen.
abiotic
nitrogen fixing
eutrophication
aquatic
20
Which of the following is true of carbon?
Carbon is present in all organisms and in the atmosphere
Carbon must be fixed by bacteria before organisms can use it
Carbon moves from consumers to producers.
21
Which of the following can be expected to occur as climate change continues on Earth?
increased coastal flooding
decreased migration of pests and pathogens
decreased melting of sea ice
increased freshwater sources
22
The energy role of the
first organism
in a food chain is always a(n) ___________.
consumer
bacteria
producer
decomposer
23
Which shape is a model that shows
energy
available at
different levels
in an ecosystem?
triangle
square
web
circle
