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4.1/4.2 Flashcards | StudBud

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True or false? Every cell produces its own ATP supply.

Which type of energy in carbon compounds flows through food chains by means of feeding?

4.1/4.2

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4.1 and 4.2 IB Bio

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Answers

1
Which type of energy in carbon compounds flows through food chains by means of feeding?
Kinetic Energy
Heat Energy
Chemical Energy
Light Energy
2
True or false? Every cell produces its own ATP supply.
True
False
3
What is a population?
Different species living and interacting with each other
Group of organisms w/ same species in the same area & time
Forms ecosystem by its interactions w/ abiotic environment
Organisms that can potentially interbreed
4
Which of the following could be said about the food chain?
Biomass of high trophic level = less than low trophic levels
Energy eaten is passed to detritivores
7% of energy is passed to next trophic level
5
What are the differences between detritivores and saprotrophs?
Detritivores digest internally Saprotrophs digest externally
Detritivores digest externally Sophomores digest externally
Detritivores ingest externally Saprotrophs digest internally
Detritivores ingest externally Saprotrophs ingest internally
6
What is biomass measured in?
Kilajoules
Grams
Milliliters
Ounces
7
According to the laws of thermodynamics in physics, heat passes from...
Cold to hot
Cold to cold
Hot to hot
Hot to cold
8
Which of the following has the conversion of chemical energy to kinetic energy?
Heat-generating adipose tissue
Nerve Cells
Muscle Contraction
Photosynthesis
9
Which is NOT one of the 3 requirements for sustainability in ecosystems?
Nutrient availability
Detoxification of waste products
Methane
Energy availability
10
True or false? A population can live in isolation.
False
True