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IB Biology Topic 4 Ecology Review + Final Exam Study Flashcards | StudBud
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IB Biology Topic 4 Ecology Review + Final Exam Study
IB Biology Topic 4 Ecology Review + Final Exam Study
22 terms
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#ecology
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
If 10% of energy is transferred from one organism to another, where does the other 90% go?
stored in body fat
lost as heat
metabolism
respiration
2
What is wrong with this food web?
the beavers are not primary consumers
there isn't enough energy in the food web to support it
the red fox is not a predator
the direction of energy flow is wrong
3
Why do you see fluctuations in CO
2
emissions each year?
CO2 doesn't fluctuate, it is only rising
CO2 doesn't fluctuate, it is only decreasing
Photosynthesis occurs year-round, even w/o light
Respiration occurs year-round, even w/o light
4
Which of the following is NOT necessary to include in the carbon cycle?
Respiration
Death
Photosynthesis
Nitrification
5
In a food chain, autotrophs are also known as producers because they do which of the following?
ingest organic matter
ingest inorganic matter
convert organic molecules into inorganic molecules
convert inorganic molecules to organic molecules
6
What organelle is shown in this micrograph?
Mitochondria
Golgi Apparatus
Lysosome
Nucleus
7
The cell membrane contains this type of protein that goes all the way through the membrane.
These do not exist
Integral
Glycoprotein
Peripheral
8
Which of the following best describes how
peat
is formed?
Anaerobic layers compressed on land
Under the sea compressed and heated by layers of sediment
In waterlogged soils from partially decayed plant remains
Trapped in sediments & fossilized in limestone
9
In the illustration, the mouse is classified as a
producer
secondary consumer
primary consumer
tertiary consumer
10
Which of the following is
carbon flux
?
The way carbon is removed to a system
How carbon is created from peat
The way carbon is added to a system
The flow of carbon from one pool to another
11
Decomposers derive energy from non-living organic matter... What classifies a saprotoph?
ingest the non-living organic matter
kills the organism and then ingests it
secretes digestive enzymes & absorbs the digestive products
produces dead inorganic matter
12
Which of the following represents what an ecologist could learn from a mesocosm?
Study the effects of abiotic factors
They cant be studied because they don't represent Earth well
Study the affect of temperature changes in the system
Study how feeding relationships affects the ecosystem
13
Which of the following
is NOT
a reason levels of CO
2
rising on Earth?
Increase in photosynthesis from deforestation
Use of fossil fuels
Demand for energy
Human population increase
14
How do you feel about your final exam?
90-100% prepared
What is Biology?
IDK WHAT IS MITOSIS
Sorta prepared, but I'll be ready by Wednesday
15
Which type of radiation is absorbed & reflected from the surface of Earth in the GHE?
Short wave radiation
Long wave radiation
16
In humans, which parent is responsible for determining the sex of their child?
Neither
Both
Mother
Father
17
What are the four macromolecules?
Proteins
Nucleic acids
Lipids
Carbohydrates
18
Which of the following classifies a 'species'?
look sorta kinda alike
ability to create fertile offspring
ability to create viable offspring
ability to interbreed
19
Which of the following are the most
significant
greenhouse gases?
CO2 and water vapor
Methane and CO2
CO2 and nitrous oxides
CO2 and CFCs
20
Which of the following is NOT part of the cell theory?
Cells are the basic living unit of organization for organism
All cells have 80S ribosomes
All cells come from pre-existing cells
All organisms are made up of cells
21
What is the 10% of energy transferred from one trophic level to the next used for?
Digestion
Creating more cells
It's never used
Respiration
22
Which organisms contain the MOST energy in an ecosystem?
Tertiary consumers
Secondary consumers
Producers
Primary consumers
