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