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