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When yeast undergo anaerobic respiration/fermentation, what is the main product?
 
ethanol
 
lactic acid
 
glucose
 
oxygen
When humans undergo anaerobic respiration or fermentation, what is the main product?
 
lactic acid
 
carbon dioxide
 
oxygen
 
ethanol
The process by which toxins such as mercury enter the food web by building up in individual organisms,
bioaccumulation
Which of the following have a symbiotic relationship?
 
clownfish and anemone
 
rhinoceros and lion
 
shark and tuna
 
grass and eagles
Which of the following is a producer you would find in the ocean?
 
algae
 
plankton
 
palm tree
 
shark
What is the gas given off here?
 
oxygen
 
hydrogen
 
carbon dioxide
 
carbon
cell structures in the epidermis of tree leaves and needles that are involved in the exchange of carbon dioxide and water between plants and the atmosphere.
 
stomata
 
guard cells
 
chlorophyll
 
mesophyll
Which of the following is a PRODUCT of photosynthesis
 
oxygen
 
water
 
carbon dioxide
 
sun's energy
What is the scientific name for the parts of a food chain?
 
trophic level
 
stages
 
steps
 
rungs
The producers are bacteria which feed directly on the chemicals released from the vents and use a variety of chemical reactions to make glucose.
Chemiosmosis
Which animal is the final consumer in this food chain?
hawk
How many trophic levels are there in this food chain?
5
To create more plants, grasses such as wheat, barley and rice use the wind for
pollination
What term is used for the organisms at the start of food chains and webs?
producers
What is an apex predator?
The final consumer at the top of the food chain
Animals that are hunted and eaten are __________
prey
The organisms in an ecosystem are referred to as a ___________
community
What is the interrelationship of a species with all the biotic and abiotic factors affecting it
niche
In a food chain, mushroom is called ...
decomposer
In a food chain, snake is called ...
consumer
In a food chain, grass is called ...
producer
Bacteria, fungi, and worm belong to
decomposers
give 5 examples of consumers
...
Give 1 example of producer
plants, grass, ...
human, plants, animals, ... are called
living things or biotic factors.
sunlight, air, rain, sun, water, ... are called
non-living things / abiotic factors
What are abiotic factors?
non-living things
What are biotic factors?
living things
What is an ecosystem?
all the living things and non-living things in a particular area
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